IT研究所 – ページ 13 – Just another 靱技術士事務所 site

herokuのGitをProxy越しに使う

投稿者: utsubo 投稿日: 2014-11-13 in heroku

git clone

heroku便利ですね。ただでいろいろなフレームワークを使ったアプリケーションを試すことができます！Postgresも使えるし。

proxyでsshなどが許可されていない場合にgitを使おうとするとタイムアウトでうまくいかない場合があります

$ heroku git:clone -a APPNAME
Cloning from app 'APPNAME'...
Cloning into 'APPNAME'...
ssh_exchange_identification: read: Operation timed out
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

$ heroku git:clone -a APPNAME

Cloning from app 'APPNAME'...

Cloning into 'APPNAME'...

ssh_exchange_identification: read: Operation timed out

fatal: Could not read from remote repository.

Please make sure you have the correct access rights

and the repository exists.

proxy環境下だとHTTPくらいしか許可されていないのでHTTPでアクセスするオプションをつけることにします

$ export HTTPS_PROXY=http://proxy:port/
$ export HTTP_PROXY=http://proxy:port/
$ heroku git:clone -a APPNAME --http-git
Cloning from app 'APPNAME'...
Cloning into 'APPNAME'...
remote: Counting objects: 137, done.
remote: Compressing objects: 100% (131/131), done.
remote: Total 137 (delta 48), reused 0 (delta 0)
Receiving objects: 100% (137/137), 1.54 MiB | 642.00 KiB/s, done.
Resolving deltas: 100% (48/48), done.
Checking connectivity... done.

$ export HTTPS_PROXY=http://proxy:port/

$ export HTTP_PROXY=http://proxy:port/

$ heroku git:clone -a APPNAME --http-git

Cloning from app 'APPNAME'...

Cloning into 'APPNAME'...

remote: Counting objects: 137, done.

remote: Compressing objects: 100% (131/131), done.

remote: Total 137 (delta 48), reused 0 (delta 0)

Receiving objects: 100% (137/137), 1.54 MiB | 642.00 KiB/s, done.

Resolving deltas: 100% (48/48), done.

Checking connectivity... done.

結構探したのですが、実はマニュアルに書いていました

https://devcenter.heroku.com/articles/http-git

git push

続いてgit pushです

$ git add .
$ git commit
[master c6abc8c] sample comment
 1 file changed, 1 insertion(+)
$ git push heroku master
fatal: 'heroku' does not appear to be a git repository
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

$ git add .

$ git commit

[master c6abc8c] sample comment

1 file changed, 1 insertion(+)

$ git push heroku master

fatal: 'heroku' does not appear to be a git repository

fatal: Could not read from remote repository.

Please make sure you have the correct access rights

and the repository exists.

こんな感じでエラーになります。http用に設定してやります

$ git remote add heroku https://git.heroku.com/APPNAME.git
$ git push heroku master
Counting objects: 5, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (2/2), done.
Writing objects: 100% (3/3), 258 bytes | 0 bytes/s, done.
Total 3 (delta 1), reused 0 (delta 0)
..

$ git remote add heroku https://git.heroku.com/APPNAME.git

$ git push heroku master

Counting objects: 5, done.

Delta compression using up to 4 threads.

Compressing objects: 100% (2/2), done.

Writing objects: 100% (3/3), 258 bytes | 0 bytes/s, done.

Total 3 (delta 1), reused 0 (delta 0)

これだけ。簡単ですね

ちなみにHTTPでもherokuのgitにアクセスできます

$ git clone https://git.heroku.com/APPNAME.git

1	$ git clone https://git.heroku.com/APPNAME.git

追記 20141226

どうもgit config –global http.proxy でPROXYを設定していると

could not resolve proxy ...

1	could not resolve proxy ...

というエラーが出る場合があるようですが、この場合には~/.gitconfigの設定を削除すれば良いようです

Raspberry Pi Type B+にUSBメモリ増設

投稿者: utsubo 投稿日: 2014-10-28 in linux

RaspberryPIを買って早１月以上。そろそろディスク容量も乏しくなってきました。もともと余っていた３２ＧのMicroSDを挿していたのですが、データが増えるにつれてちょっと残りが寂しくなってきたので、上海問屋の64GUSBメモリを購入しました。

RaspberryPIはUSB3.0対応ではないので、USB2.0の安いものをチョイス。送料込みで3400円くらい。安い。。

早速挿してみました。フォーマット自体はFAT32。プラグアンドプレイなので差し込むだけでOK。コマンドラインからマウントしてやります

pi@raspberrypi ~ $ sudo fdisk -l

Disk /dev/mmcblk0: 31.7 GB, 31657558016 bytes
4 heads, 16 sectors/track, 966112 cylinders, total 61831168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000b5098

				Device Boot			Start				 End			Blocks	 Id	System
/dev/mmcblk0p1						8192			122879			 57344		c	W95 FAT32 (LBA)
/dev/mmcblk0p2					122880		61831167		30854144	 83	Linux

Disk /dev/sda: 64.5 GB, 64541949952 bytes
255 heads, 63 sectors/track, 7846 cylinders, total 126058496 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xc3072e18

	 Device Boot			Start				 End			Blocks	 Id	System
/dev/sda1							64	 126058495		63029216		c	W95 FAT32 (LBA)

pi@raspberrypi ~ $ sudo mount /dev/sda1 /mnt
pi@raspberrypi ~ $ df
ファイルシス	 1K-ブロック		 使用	 使用可 使用% マウント位置
rootfs						30311756 13465040 15569968	 47% /
/dev/root				 30311756 13465040 15569968	 47% /
devtmpfs						219832				0	 219832		0% /dev
tmpfs								44800			240		44560		1% /run
tmpfs								 5120				0		 5120		0% /run/lock
tmpfs								89580				0		89580		0% /run/shm
/dev/mmcblk0p1			 57288		 9896		47392	 18% /boot
/dev/sda1				 63012832		 2752 63010080		1% /mnt

pi@raspberrypi ~ $ sudo fdisk -l

Disk /dev/mmcblk0: 31.7 GB, 31657558016 bytes

4 heads, 16 sectors/track, 966112 cylinders, total 61831168 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x000b5098

Device Boot Start End Blocks Id System

/dev/mmcblk0p1 8192 122879 57344 c W95 FAT32 (LBA)

/dev/mmcblk0p2 122880 61831167 30854144 83 Linux

Disk /dev/sda: 64.5 GB, 64541949952 bytes

255 heads, 63 sectors/track, 7846 cylinders, total 126058496 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0xc3072e18

Device Boot Start End Blocks Id System

/dev/sda1 64 126058495 63029216 c W95 FAT32 (LBA)

pi@raspberrypi ~ $ sudo mount /dev/sda1 /mnt

pi@raspberrypi ~ $ df

ファイルシス 1K-ブロック使用使用可使用% マウント位置

rootfs 30311756 13465040 15569968 47% /

/dev/root 30311756 13465040 15569968 47% /

devtmpfs 219832 0 219832 0% /dev

tmpfs 44800 240 44560 1% /run

tmpfs 5120 0 5120 0% /run/lock

tmpfs 89580 0 89580 0% /run/shm

/dev/mmcblk0p1 57288 9896 47392 18% /boot

/dev/sda1 63012832 2752 63010080 1% /mnt

こんだけ。マウント簡単。しかしここで問題が発生。

どうやら一般ユーザでは書き込めない模様。権限も変更できず。まあ、FATなので権限もクソもないのでどうしょうもないのでしょう。ちなみにROOTユーザなら読み書きOKですがそれだと使いづらいので、EXT4にフォーマットし直してやります

pi@raspberrypi ~ $ sudo fdisk /dev/sda

Command (m for help): d
Selected partition 1

Command (m for help): p

Disk /dev/sda: 64.5 GB, 64541949952 bytes
199 heads, 32 sectors/track, 19795 cylinders, total 126058496 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xc3072e18

	 Device Boot			Start				 End			Blocks	 Id	System

Command (m for help): n
Partition type:
	 p	 primary (0 primary, 0 extended, 4 free)
	 e	 extended
Select (default p): p
Partition number (1-4, default 1): 1
First sector (2048-126058495, default 2048): 
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-126058495, default 126058495): 
Using default value 126058495

Command (m for help): p

Disk /dev/sda: 64.5 GB, 64541949952 bytes
199 heads, 32 sectors/track, 19795 cylinders, total 126058496 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xc3072e18

	 Device Boot			Start				 End			Blocks	 Id	System
/dev/sda1						2048	 126058495		63028224	 83	Linux

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.

pi@raspberrypi ~ $ sudo fdisk /dev/sda

Command (m for help): d

Selected partition 1

Command (m for help): p

Disk /dev/sda: 64.5 GB, 64541949952 bytes

199 heads, 32 sectors/track, 19795 cylinders, total 126058496 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0xc3072e18

Device Boot Start End Blocks Id System

Command (m for help): n

Partition type:

p primary (0 primary, 0 extended, 4 free)

e extended

Select (default p): p

Partition number (1-4, default 1): 1

First sector (2048-126058495, default 2048):

Using default value 2048

Last sector, +sectors or +size{K,M,G} (2048-126058495, default 126058495):

Using default value 126058495

Command (m for help): p

Disk /dev/sda: 64.5 GB, 64541949952 bytes

199 heads, 32 sectors/track, 19795 cylinders, total 126058496 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0xc3072e18

Device Boot Start End Blocks Id System

/dev/sda1 2048 126058495 63028224 83 Linux

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

mkfsでフォーマット

pi@raspberrypi ~ $ sudo mkfs.ext3 /dev/sda1 
mke2fs 1.42.5 (29-Jul-2012)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
3940352 inodes, 15757056 blocks
787852 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=0
481 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks: 
	32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
	4096000, 7962624, 11239424

Allocating group tables: done														
Writing inode tables: done														
Creating journal (32768 blocks): 
done
Writing superblocks and filesystem accounting information:				
done

pi@raspberrypi ~ $ mkdir /media/usb0
pi@raspberrypi ~ $ sudo mount /dev/sda1 /media/usb0
pi@raspberrypi ~ $ df
ファイルシス	 1K-ブロック		 使用	 使用可 使用% マウント位置
rootfs						30311756 13498480 15536528	 47% /
/dev/root				 30311756 13498480 15536528	 47% /
devtmpfs						219832				0	 219832		0% /dev
tmpfs								44800			240		44560		1% /run
tmpfs								 5120				0		 5120		0% /run/lock
tmpfs								89580				0		89580		0% /run/shm
/dev/mmcblk0p1			 57288		 9896		47392	 18% /boot
/dev/sda1				 61907956		53196 58703352		1% /media/usb0

pi@raspberrypi /media/usb0 $ sudo chmod 777 .
pi@raspberrypi /media/usb0 $ mkdir data

pi@raspberrypi ~ $ sudo mkfs.ext3 /dev/sda1

mke2fs 1.42.5 (29-Jul-2012)

Filesystem label=

OS type: Linux

Block size=4096 (log=2)

Fragment size=4096 (log=2)

Stride=0 blocks, Stripe width=0 blocks

3940352 inodes, 15757056 blocks

787852 blocks (5.00%) reserved for the super user

First data block=0

Maximum filesystem blocks=0

481 block groups

32768 blocks per group, 32768 fragments per group

8192 inodes per group

Superblock backups stored on blocks:

32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,

4096000, 7962624, 11239424

Allocating group tables: done

Writing inode tables: done

Creating journal (32768 blocks):

done

Writing superblocks and filesystem accounting information:

done

pi@raspberrypi ~ $ mkdir /media/usb0

pi@raspberrypi ~ $ sudo mount /dev/sda1 /media/usb0

pi@raspberrypi ~ $ df

ファイルシス 1K-ブロック使用使用可使用% マウント位置

rootfs 30311756 13498480 15536528 47% /

/dev/root 30311756 13498480 15536528 47% /

devtmpfs 219832 0 219832 0% /dev

tmpfs 44800 240 44560 1% /run

tmpfs 5120 0 5120 0% /run/lock

tmpfs 89580 0 89580 0% /run/shm

/dev/mmcblk0p1 57288 9896 47392 18% /boot

/dev/sda1 61907956 53196 58703352 1% /media/usb0

pi@raspberrypi /media/usb0 $ sudo chmod 777 .

pi@raspberrypi /media/usb0 $ mkdir data

ついでにマウント先も変更しました

WindowsでJekyll環境構築

投稿者: utsubo 投稿日: 2014-10-15 in ruby、win8

jekyllをご存知でしょうか？そこいら中に記事があるので詳細はググればわかりますが、簡単にいえば静的HTMLのジェネレータフレームワークです。

Rubyで作成されていますのでgemで簡単にインストールできます。

がちょっとハマったので備忘録。。

環境

Windows8.1

インストール

まずはRUBYを入れます。Windows用のRubyはいろいろありますが、

http://rubyinstaller.org/downloads/

こちらからWindows用のMSIをダウンロードしインストールします。

C:\Ruby21-x64にインストールした後には環境変数PATHにC:\Ruby21-x64\binを追加します。

そのままgemでインストールしようとすると以下のエラーが出ます

C:\&gt;gem install jekyll
ERROR:	Error installing jekyll:
The 'yajl-ruby' native gem requires installed build tools.
Please update your PATH to include build tools or download the DevKit
from 'http://rubyinstaller.org/downloads' and follow the instructions
at 'http://github.com/oneclick/rubyinstaller/wiki/Development-Kit'

C:\>gem install jekyll

ERROR: Error installing jekyll:

The 'yajl-ruby' native gem requires installed build tools.

Please update your PATH to include build tools or download the DevKit

from 'http://rubyinstaller.org/downloads' and follow the instructions

at 'http://github.com/oneclick/rubyinstaller/wiki/Development-Kit'

どうやらMakeできなよと怒られたようです

DevelopmentKitなるものを同じページからダウンロードします。

DevKit-mingw64-64-4.7.2-20130224-1432-sfx.exe

現在だとこれになります。

これをC直下にc:\devkitというフォルダを作成しその中に解凍します

その後以下のコマンドを実行

C:\devkit&gt;ruby dk.rb init
[INFO] found RubyInstaller v2.1.3 at C:/Ruby21-x64
Initialization complete! Please review and modify the auto-generated
'config.yml' file to ensure it contains the root directories to all
of the installed Rubies you want enhanced by the DevKit.
C:\devkit&gt;ruby dk.rb install
[INFO] Updating convenience notice gem override for 'C:/Ruby21-x64'
[INFO] Installing 'C:/Ruby21-x64/lib/ruby/site_ruby/devkit.rb'

C:\devkit>ruby dk.rb init

[INFO] found RubyInstaller v2.1.3 at C:/Ruby21-x64

Initialization complete! Please review and modify the auto-generated

'config.yml' file to ensure it contains the root directories to all

of the installed Rubies you want enhanced by the DevKit.

C:\devkit>ruby dk.rb install

[INFO] Updating convenience notice gem override for 'C:/Ruby21-x64'

[INFO] Installing 'C:/Ruby21-x64/lib/ruby/site_ruby/devkit.rb'

これで準備が整いました

あとはgemでインストール

C:\devkit&gt;gem install jekyll
Temporarily enhancing PATH to include DevKit...
Building native extensions.	This could take a while...
Successfully installed yajl-ruby-1.1.0
Fetching: posix-spawn-0.3.9.gem (100%)
Building native extensions.	This could take a while...
Successfully installed posix-spawn-0.3.9
Fetching: pygments.rb-0.6.0.gem (100%)
Successfully installed pygments.rb-0.6.0
Fetching: redcarpet-3.2.0.gem (100%)
Building native extensions.	This could take a while...
Successfully installed redcarpet-3.2.0
Fetching: blankslate-2.1.2.4.gem (100%)
Successfully installed blankslate-2.1.2.4
Fetching: parslet-1.5.0.gem (100%)
Successfully installed parslet-1.5.0
Fetching: toml-0.1.1.gem (100%)
Successfully installed toml-0.1.1
Fetching: jekyll-paginate-1.1.0.gem (100%)
Successfully installed jekyll-paginate-1.1.0
Fetching: jekyll-gist-1.1.0.gem (100%)
Successfully installed jekyll-gist-1.1.0
Fetching: coffee-script-source-1.8.0.gem (100%)
Successfully installed coffee-script-source-1.8.0
Fetching: execjs-2.2.2.gem (100%)
Successfully installed execjs-2.2.2
Fetching: coffee-script-2.3.0.gem (100%)
Successfully installed coffee-script-2.3.0
Fetching: jekyll-coffeescript-1.0.1.gem (100%)
Successfully installed jekyll-coffeescript-1.0.1
Fetching: sass-3.4.5.gem (100%)
Successfully installed sass-3.4.5
Fetching: jekyll-sass-converter-1.2.1.gem (100%)
Successfully installed jekyll-sass-converter-1.2.1
Fetching: ffi-1.9.6-x64-mingw32.gem (100%)
Successfully installed ffi-1.9.6-x64-mingw32
Fetching: rb-inotify-0.9.5.gem (100%)
Successfully installed rb-inotify-0.9.5
Fetching: rb-fsevent-0.9.4.gem (100%)
Successfully installed rb-fsevent-0.9.4
Fetching: hitimes-1.2.2.gem (100%)
Building native extensions.	This could take a while...
Successfully installed hitimes-1.2.2
Fetching: timers-4.0.1.gem (100%)
Successfully installed timers-4.0.1
Fetching: celluloid-0.16.0.gem (100%)
Successfully installed celluloid-0.16.0
Fetching: listen-2.7.11.gem (100%)
Successfully installed listen-2.7.11
Fetching: jekyll-watch-1.1.1.gem (100%)
Successfully installed jekyll-watch-1.1.1
Fetching: fast-stemmer-1.0.2.gem (100%)
Building native extensions.	This could take a while...
Successfully installed fast-stemmer-1.0.2
Fetching: classifier-reborn-2.0.1.gem (100%)
Successfully installed classifier-reborn-2.0.1
Fetching: jekyll-2.4.0.gem (100%)
Successfully installed jekyll-2.4.0
Parsing documentation for blankslate-2.1.2.4
Installing ri documentation for blankslate-2.1.2.4
Parsing documentation for celluloid-0.16.0
Installing ri documentation for celluloid-0.16.0
Parsing documentation for classifier-reborn-2.0.1
Installing ri documentation for classifier-reborn-2.0.1
Parsing documentation for coffee-script-2.3.0
Installing ri documentation for coffee-script-2.3.0
Parsing documentation for coffee-script-source-1.8.0
Installing ri documentation for coffee-script-source-1.8.0
Parsing documentation for execjs-2.2.2
Installing ri documentation for execjs-2.2.2
Parsing documentation for fast-stemmer-1.0.2
Installing ri documentation for fast-stemmer-1.0.2
Parsing documentation for ffi-1.9.6-x64-mingw32
Installing ri documentation for ffi-1.9.6-x64-mingw32
Parsing documentation for hitimes-1.2.2
Installing ri documentation for hitimes-1.2.2
Parsing documentation for jekyll-2.4.0
Installing ri documentation for jekyll-2.4.0
Parsing documentation for jekyll-coffeescript-1.0.1
Installing ri documentation for jekyll-coffeescript-1.0.1
Parsing documentation for jekyll-gist-1.1.0
Installing ri documentation for jekyll-gist-1.1.0
Parsing documentation for jekyll-paginate-1.1.0
Installing ri documentation for jekyll-paginate-1.1.0
Parsing documentation for jekyll-sass-converter-1.2.1
Installing ri documentation for jekyll-sass-converter-1.2.1
Parsing documentation for jekyll-watch-1.1.1
Installing ri documentation for jekyll-watch-1.1.1
Parsing documentation for listen-2.7.11
Installing ri documentation for listen-2.7.11
Parsing documentation for parslet-1.5.0
Installing ri documentation for parslet-1.5.0
Parsing documentation for posix-spawn-0.3.9
Installing ri documentation for posix-spawn-0.3.9
Parsing documentation for pygments.rb-0.6.0
Installing ri documentation for pygments.rb-0.6.0
Parsing documentation for rb-fsevent-0.9.4
Installing ri documentation for rb-fsevent-0.9.4
Parsing documentation for rb-inotify-0.9.5
Installing ri documentation for rb-inotify-0.9.5
Parsing documentation for redcarpet-3.2.0
Installing ri documentation for redcarpet-3.2.0
Parsing documentation for sass-3.4.5
Installing ri documentation for sass-3.4.5
Parsing documentation for timers-4.0.1
Installing ri documentation for timers-4.0.1
Parsing documentation for toml-0.1.1
Installing ri documentation for toml-0.1.1
Parsing documentation for yajl-ruby-1.1.0
Installing ri documentation for yajl-ruby-1.1.0
Done installing documentation for blankslate, celluloid, classifier-reborn, coff
ee-script, coffee-script-source, execjs, fast-stemmer, ffi, hitimes, jekyll, jek
yll-coffeescript, jekyll-gist, jekyll-paginate, jekyll-sass-converter, jekyll-wa
tch, listen, parslet, posix-spawn, pygments.rb, rb-fsevent, rb-inotify, redcarpe
t, sass, timers, toml, yajl-ruby after 16 seconds
26 gems installed

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C:\devkit>gem install jekyll

Temporarily enhancing PATH to include DevKit...

Building native extensions. This could take a while...

Successfully installed yajl-ruby-1.1.0

Fetching: posix-spawn-0.3.9.gem (100%)

Building native extensions. This could take a while...

Successfully installed posix-spawn-0.3.9

Fetching: pygments.rb-0.6.0.gem (100%)

Successfully installed pygments.rb-0.6.0

Fetching: redcarpet-3.2.0.gem (100%)

Building native extensions. This could take a while...

Successfully installed redcarpet-3.2.0

Fetching: blankslate-2.1.2.4.gem (100%)

Successfully installed blankslate-2.1.2.4

Fetching: parslet-1.5.0.gem (100%)

Successfully installed parslet-1.5.0

Fetching: toml-0.1.1.gem (100%)

Successfully installed toml-0.1.1

Fetching: jekyll-paginate-1.1.0.gem (100%)

Successfully installed jekyll-paginate-1.1.0

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「構文解析中に不正なマルチバイト文字列がありました」のエラー

投稿者: utsubo 投稿日: 2014-10-07 in R

ちょっとはまってしまったのでメモ

Rの関数にsource関数というものがあります。予め共通処理を書いておいたファイルを読み込む機能です。サブルーチンみたいなものでしょうか？

そこでsourceする際に、エラーが出る場合があります

&gt; source("http://localhost/test.R")
以下にエラー source("http://localhost/test.R") :
構文解析中に不正なマルチバイト文字列がありました (102 行)
追加情報:	警告メッセージ:
In grepl("\n", lines, fixed = TRUE) :
入力文字列 102 はこのロケールでは不適切です

> source("http://localhost/test.R")

以下にエラー source("http://localhost/test.R") :

構文解析中に不正なマルチバイト文字列がありました (102 行)

追加情報: 警告メッセージ:

In grepl("\n", lines, fixed = TRUE) :

入力文字列 102 はこのロケールでは不適切です

どうやら、エンコーディングの問題みたいです

使っているファイルのエンコーディングに合わせて明示的に示してやる必要があります

&gt; source("http://localhost/test.R",encoding="utf-8")

1	> source("http://localhost/test.R",encoding="utf-8")

eclipse+activatorでデバッグをWindows環境で行う

投稿者: utsubo 投稿日: 2014-10-02 in PlayFramework

PlayFramework2.3から従来のplayコマンドではなくactivatorコマンドに変更となりました。それに伴いデバッグ方法も変わってしまったので、以下に書き留めておきます

環境

Windows8.1
eclipse 4.3
scala2.11
jdk1.7

設定

%UserProfile%\.activator\activatorconfig.txtにファイルを作成します。通常ですと、

c:\users\username\.activator\activatorconfig.txt

1	c:\users\username\.activator\activatorconfig.txt

になるかと思います

このファイルに以下を記述します。addressはデバッグ用のポートなので開いているポートならばなんでも構いません。

-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000

1	-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000

実行

プロジェクトのフォルダにコマンドラインからアクセスし、activatorで起動します。8000番ポートでデバッグ用にポートが開いているのがわかります

Z:\test_project&gt;activator
Listening for transport dt_socket at address: 8000
[info] Loading project definition from Z:\workspace\qrapp_api\project
[info] Set current project to qrapp_api (in build file:/Z:/workspace/qrapp_api/)
[qrapp_api] $ run
--- (Running the application from SBT, auto-reloading is enabled) ---
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/utsubo/.ivy2/cache/ch.qos.logback/lo
gback-classic/jars/logback-classic-1.1.1.jar!/org/slf4j/impl/StaticLoggerBinder.
class]
SLF4J: Found binding in [jar:file:/C:/Users/utsubo/.ivy2/cache/org.slf4j/slf4j-n
op/jars/slf4j-nop-1.6.4.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorSta
ticBinder]
[info] play - Listening for HTTP on /0:0:0:0:0:0:0:0:9000
(Server started, use Ctrl+D to stop and go back to the console...)

Z:\test_project>activator

Listening for transport dt_socket at address: 8000

[info] Loading project definition from Z:\workspace\qrapp_api\project

[info] Set current project to qrapp_api (in build file:/Z:/workspace/qrapp_api/)

[qrapp_api] $ run

--- (Running the application from SBT, auto-reloading is enabled) ---

SLF4J: Class path contains multiple SLF4J bindings.

SLF4J: Found binding in [jar:file:/C:/Users/utsubo/.ivy2/cache/ch.qos.logback/lo

gback-classic/jars/logback-classic-1.1.1.jar!/org/slf4j/impl/StaticLoggerBinder.

class]

SLF4J: Found binding in [jar:file:/C:/Users/utsubo/.ivy2/cache/org.slf4j/slf4j-n

op/jars/slf4j-nop-1.6.4.jar!/org/slf4j/impl/StaticLoggerBinder.class]

SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.

SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorSta

ticBinder]

[info] play - Listening for HTTP on /0:0:0:0:0:0:0:0:9000

(Server started, use Ctrl+D to stop and go back to the console...)

次にEclipseからプロジェクトを右クリックし、DebugConfigurationからRemoteJavaApplicationをダブルクリックします。ポート番号8000を確認しScalaDebugger(SocketAttach）を選択。起動します。ブラウザを開いてアプリケーションにアクセスすれば、ブレークポイントでデバッグ可能となります。

設定はこの辺りに詳しく書いています

http://stackoverflow.com/questions/19473941/cant-debug-with-typesafe-activator

PlayFramework＋EclipseでViews.htmlエラー

投稿者: utsubo 投稿日: 2014-09-30 in PlayFramework

いつも忘れるのでメモ

PlayFrameworkをEclipseで開発しているとこのエラーが必ず出ます

object Application extends Controller{
def index()=Action{implicit request=&gt;
Ok(views.html.index())			 // &lt;=この行が赤いラインでエラー表示される
}
}

object Application extends Controller{

def index()=Action{implicit request=>

Ok(views.html.index()) // <=この行が赤いラインでエラー表示される

}

これの解決方法ですがプロジェクトのプロパティからJavaBuildPathを選択し、LibrariesタブからAddClassFolderで targetーscala-2.11ーclass_managedを追加

F5を押してリフレッシュすれば治ります

これが赤いままだとUnitテストでClassNotFoundエラーが出ます

Application.scala

投稿者: utsubo 投稿日: 2014-09-29 in scala

package controllers

import play.api._
import play.api.mvc._
import java.io._
import org.apache.batik.dom.svg._
import org.apache.batik.transcoder._
import org.apache.batik.transcoder.image._
import org.apache.batik.util.XMLResourceDescriptor;
import org.w3c.dom.Document
import java.awt.Rectangle
import org.apache.fop.svg.PDFTranscoder

import play.api.libs.iteratee._
import play.api.data._
import play.api.data.Forms._

case class Image(
	filename:String,
	scale:Int,
	imagetype:String,
	svg:String
)

object Application extends Controller {

	val imageDataForm = Form(
			mapping(
					"filename"->text,
					"scale"->number,
					"type"->text,
					"svg"->text
			)(Image.apply)(Image.unapply)
	)
	
	def index()=Action{implicit request =>
		Ok(views.html.index())
	}

	def makeImage()=Action{implicit request =>
		val image=imageDataForm.bindFromRequest.get
		
		val is=new ByteArrayInputStream(image.svg.getBytes())
		import scala.concurrent.ExecutionContext.Implicits._
		Ok.chunked(Enumerator.outputStream { os =>
			val tin=new TranscoderInput(is)	
			val tot=new TranscoderOutput(os)	
			getTranscoder(image.imagetype, 0.7f) match{
				case Some(x) =>{
					println("transcode:x="+x)
					x.transcode(tin,tot)
				}
				
				case _ => None			
			}
			os.flush
			os.close	
			println("flush")
		} >>> Enumerator.eof).withHeaders(
				"Content-Type" -> (image.imagetype),
				"Content-Disposition"->("attachment; filename="+image.filename)
		)	 
	}


	def getParameter(request:play.api.mvc.Request[play.api.mvc.AnyContent],str:String) = {
		request.queryString.get(str).flatMap(_.headOption) match {
			case Some(x) => x
			case None => ""
		}
	}
	
	def getDocument(is:InputStream):Document ={
				val parser = XMLResourceDescriptor.getXMLParserClassName()
				val f = new SAXSVGDocumentFactory(parser)
				val doc = f.createDocument("http://www.w3.org/2000/svg",is)
				return doc
	}
 
	def	getTranscoder( transcoderType:String,	keyQuality:Float ) :Option[Transcoder]={
		println("getTranscoder:"+transcoderType)
				transcoderType match{
					case "image/jpeg" =>Option(getJPEGTranscoder(keyQuality))
					case "image/png" => Option(getPNGTranscoder())
					case "application/pdf" => Option(new PDFTranscoder())
					case	_ => None
				}
		}
	
	def	getJPEGTranscoder( keyQuality:Float):JPEGTranscoder= {
				val jpeg = new JPEGTranscoder()
				jpeg.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, keyQuality)
				return jpeg
		}
 
		def	getPNGTranscoder() :PNGTranscoder={
				return new PNGTranscoder();
		}
}

package controllers

import play.api._

import play.api.mvc._

import java.io._

import org.apache.batik.dom.svg._

import org.apache.batik.transcoder._

import org.apache.batik.transcoder.image._

import org.apache.batik.util.XMLResourceDescriptor;

import org.w3c.dom.Document

import java.awt.Rectangle

import org.apache.fop.svg.PDFTranscoder

import play.api.libs.iteratee._

import play.api.data._

import play.api.data.Forms._

case class Image(

filename:String,

scale:Int,

imagetype:String,

svg:String

)

object Application extends Controller {

val imageDataForm = Form(

mapping(

"filename"->text,

"scale"->number,

"type"->text,

"svg"->text

)(Image.apply)(Image.unapply)

)

def index()=Action{implicit request =>

Ok(views.html.index())

}

def makeImage()=Action{implicit request =>

val image=imageDataForm.bindFromRequest.get

val is=new ByteArrayInputStream(image.svg.getBytes())

import scala.concurrent.ExecutionContext.Implicits._

Ok.chunked(Enumerator.outputStream { os =>

val tin=new TranscoderInput(is)

val tot=new TranscoderOutput(os)

getTranscoder(image.imagetype, 0.7f) match{

case Some(x) =>{

println("transcode:x="+x)

x.transcode(tin,tot)

}

case _ => None

}

os.flush

os.close

println("flush")

} >>> Enumerator.eof).withHeaders(

"Content-Type" -> (image.imagetype),

"Content-Disposition"->("attachment; filename="+image.filename)

)

}

def getParameter(request:play.api.mvc.Request[play.api.mvc.AnyContent],str:String) = {

request.queryString.get(str).flatMap(_.headOption) match {

case Some(x) => x

case None => ""

}

def getDocument(is:InputStream):Document ={

val parser = XMLResourceDescriptor.getXMLParserClassName()

val f = new SAXSVGDocumentFactory(parser)

val doc = f.createDocument("http://www.w3.org/2000/svg",is)

return doc

}

def getTranscoder( transcoderType:String, keyQuality:Float ) :Option[Transcoder]={

println("getTranscoder:"+transcoderType)

transcoderType match{

case "image/jpeg" =>Option(getJPEGTranscoder(keyQuality))

case "image/png" => Option(getPNGTranscoder())

case "application/pdf" => Option(new PDFTranscoder())

case _ => None

}

def getJPEGTranscoder( keyQuality:Float):JPEGTranscoder= {

val jpeg = new JPEGTranscoder()

jpeg.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, keyQuality)

return jpeg

}

def getPNGTranscoder() :PNGTranscoder={

return new PNGTranscoder();

}

index.scala.html

<html>
<head></head>
<body>

<form method="post" action="@routes.Application.makeImage()">
	<input type="hidden" name="filename" value="chart" />
	<input type="hidden" name="scale" value="2" />
	<input type="hidden" name="type" value="application/pdf" />

	<input type="hidden" name="svg" value="
		<svg xmlns='http://www.w3.org/2000/svg'	height='100' width='100'>
	<circle cx='50' cy='50' r='40' stroke='black' stroke-width='3' fill='red' /></svg> 
	" />
	<input type="submit" value="pdf"/>
</form>
<form method="post" action="@routes.Application.makeImage()">
	<input type="hidden" name="filename" value="chart" />
	<input type="hidden" name="scale" value="2" />
	<input type="hidden" name="type" value="image/png" />

	<input type="hidden" name="svg" value="
		<svg xmlns='http://www.w3.org/2000/svg'	height='100' width='100'>
	<circle cx='50' cy='50' r='40' stroke='black' stroke-width='3' fill='red' /></svg> 
	" />
	<input type="submit" value="png"/>
</form>
<form method="post" action="@routes.Application.makeImage()">
	<input type="hidden" name="filename" value="chart" />
	<input type="hidden" name="scale" value="2" />
	<input type="hidden" name="type" value="image/jpeg" />

	<input type="hidden" name="svg" value="
		<svg xmlns='http://www.w3.org/2000/svg'	height='100' width='100'>
	<circle cx='50' cy='50' r='40' stroke='black' stroke-width='3' fill='red' /></svg> 
	" />
	<input type="submit" value="jpeg"/>
</form>

</body>
</html>

<html>

<body>

<input type="hidden" name="svg" value="

" />

</form>

<input type="hidden" name="svg" value="

" />

</form>

<input type="hidden" name="svg" value="

" />

</form>

</body>

</html>

こんな感じでいけるかと思います

batikをPlayFrameworkで使う

投稿者: utsubo 投稿日: 2014-09-29 in PlayFramework

batikとはSVGからPDFやPNG等へ変換するすごーく便利なJavaのライブラリです。これをPlayframeworkでWebアプリとして構築してみました

準備

batickで使用するJarファイルをダウンロードしてきます。

http://mvnrepository.com/artifact/batik

この辺りから落としてくれば十分です

batik-anim.jar

batik-svgpp.jar

batik-awt-util.jar

batik-swing.jar

batik-bridge.jar

batik-transcoder.jar

batik-codec.jar

batik-ttf2svg.jar

batik-css.jar

batik-util.jar

batik-dom.jar

batik-xml.jar

batik-ext-1.6-1.jar

batik.jar

batik-ext.jar

batik-extension.jar

batik-gui-util.jar

batik-gvt.jar

batik-parser.jar

batik-rasterizer.jar

batik-script.jar

batik-slideshow.jar

batik-squiggle.jar

batik-svg-dom.jar

batik-svggen.jar

pdf-transcoder.jar

js.jar

w3c.jar

気がついたらこれだけダウンロードしていました。全部いるのでしょうか？

今回はPDFとJPEGとPNGをパラメタで分けて出力します

Windows7 HomePremiumでRemoteDeskTopServer

投稿者: utsubo 投稿日: 2014-09-20 in windows

Windows7 HomePremiumでRDTを使おうとした際のメモ

サーバ側

Windows7 Home Premium SP1

クライアント側

iMac OS 10.9

まず、Windows7側にパッチを当てます。この辺りを参考にConcurrent_RDP_Patcher.zipをダウンロードし、パッチを当てるだけ。チェックボックスは２つとも外してももんだありません。

http://blog.livedoor.jp/rappazubon/archives/51943235.html

http://orebibou.com/2014/05/windows-7-home-premium%E3%81%A7%E3%83%AA%E3%83%A2%E3%83%BC%E3%83%88%E3%83%87%E3%82%B9%E3%82%AF%E3%83%88%E3%83%83%E3%83%97%E3%82%92%E6%9C%89%E5%8A%B9%E5%8C%96%E3%81%99%E3%82%8B/

次にはまったのがMac側。最初↓のMicrosoftRemoteDesktopを使用し接続しようとしてもエラー。

https://itunes.apple.com/jp/app/microsoft-remote-desktop/id715768417?mt=12

mac側からnmapでWindowsのポートを調べても特に問題なく3389ポートは開いている。

実はこのMac側のクライアントが悪かったようです。こちら↓のRemoteDesktopConnectionを使用すると問題なくつながります。

http://www.microsoft.com/ja-jp/download/details.aspx?id=18140

参考まで

eclipseでTomcatの設定

投稿者: utsubo 投稿日: 2014-09-16 in java、mac

いつも忘れてしまうのでメモ

環境

MacOS10.9

tomcat7

brew install tomcat7

java

oracle jdkをインストールし、シンボリックリンク

$ which java

/Library/Java/JavaVirtualMachines/jdk1.7.0_51.jdk/Contents/Home//bin/java

eclipse kepler

インストール

EclipseのClassicをインストールするとサーバランタイムがインストールされずに、TOMCATアプリなど作成する際にデバッグに困ってしまいます。

サーバランタイムをインストールするには、予めBrewでTomcatをインストールした後に、ヘルプのinstall new softwareから

http://download.eclipse.org/releases/kepler

を選択し、いかの2つのプラグインをインストールします。

JST Server Adapters
JST Server Adapters Extensions

その後、環境設定ーServerーRuntimeEnvironmentsのaddでtomcatを追加するのですが、この際にディレクトリに以下を入力します

/usr/local/Cellar/tomcat7/7.0.55/libexec

これでサーバランタイムが設定可能となります。

この辺りの内容はこちらから引用しています

http://stackoverflow.com/questions/2000078/apache-tomcat-not-showing-in-eclipse-server-runtime-environments

http://stackoverflow.com/questions/17745834/unknown-version-of-tomcat-was-specified-with-tomcat-7-0-42