jbpm 4.4 eclipse 插件安装失败

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首先感谢原文作者，因为他（她）帮我解决了这个问题。

按照userguide的方法装jbpm4插件装了一天也没装上,只好自己探索如何安装了.

适合Jbpm4.x版本的
如果你的eclipse按照jbpm4中userguide的方法安装不上,就试试下面的步骤吧:

注 gpd 位于${jbpm_home}/install/src/gpd

1.将${jbpm_home}/gbd/jbpm-gpd-site.zip解压到${jbpm_home}/gpd/jbpm-gpd-site中

进入plugins 目录下：

2.解压${jbpm_home}/gpd/jbpm-gpd-site/plugins中的.pack,gz文件
新建一个文件unpack.cmd, 内容如下:

Java代码  
@echo off  
for /R %%I in (*.pack.gz) do unpack200 -r %%~nxI %%~nI.jar  
ren *.jar *.  
ren *.pack *.  

运行unpack.cmd即可解压

注: unpack200是${jdk_home}/bin中的命令,请将${jdk_home}/bin添加到path中

4 重新压缩插件：

然后生成修改后的插件

5 安装修改后的插件: jbpm-gpd-update.zip

……………………嘻嘻！！！希望你这一步已经可以成功。

6如果报错，再进行这一步，不报错不需要执行这一步。

更改${jbpm_home}/gpd/jbpm-gpd-site/artifacts.jar中artifacts.xml中的md5
如何改:
安装插件时,eclipse会报错如下:[先按第4步开始更新]
An error occurred while collecting items to be installed
session context was:(profile=epp.package.java, phase=org.eclipse.equinox.internal.provisional.p2.engine.phases.Collect, operand=, action=).
Problems downloading artifact: osgi.bundle,org.jboss.tools.flow.common,1.0.0.v200907072256.
    MD5 hash is not as expected. Expected: 273c8df5c4013d256cf081a07dbc3fd0 and found fa35b4f34c36114b097d238d06044cc0.
Problems downloading artifact: osgi.bundle,org.jboss.tools.flow.common.source,1.0.0.v200907072256.
    MD5 hash is not as expected. Expected: 77a04dd919a069669691496c9d8747f7 and found a83f8616c93c22e59bab6c052617b9e4.
Problems downloading artifact: osgi.bundle,org.jboss.tools.flow.jpdl4,1.0.0.v200907072256.
    MD5 hash is not as expected. Expected: c1a82f69731b8b3979c1e11d926c0bae and found b1dedcfd4337af74e673d170209c4886.
Problems downloading artifact: osgi.bundle,org.jboss.tools.flow.jpdl4.multipage,1.0.0.v200907072256.
    MD5 hash is not as expected. Expected: 47b19d8a7cf8474257c346751d7996b8 and found 737d0ab7aa5760ced7d2cfc8a70fb5cb.
Problems downloading artifact: osgi.bundle,org.jboss.tools.flow.jpdl4.multipage.source,1.0.0.v200907072256.
    MD5 hash is not as expected. Expected: 657f54c93b307b6cd6e4803a8856076d and found 997913b0a644000f4cec534cd987340c.
Problems downloading artifact: osgi.bundle,org.jboss.tools.flow.jpdl4.source,1.0.0.v200907072256.
    MD5 hash is not as expected. Expected: b5ffe26d00949d1ed9f8eb47adb9ca1c and found 233318d8e4e2b8de8fc008a65c1d7bca.
Problems downloading artifact: osgi.bundle,org.jboss.tools.jbpm.common,1.0.0.v200907072256.
    MD5 hash is not as expected. Expected: c9eb93167ef09f503febe21e3316e95b and found 59d6d575ad8f3675c241f050ea54de36.
Problems downloading artifact: osgi.bundle,org.jboss.tools.jbpm.common.source,1.0.0.v200907072256.
    MD5 hash is not as expected. Expected: 53d189298d07308461ffae5a0c26273b and found 158f15333ffb9bfbafb8a79c5990f407.

在artifacts.xml中搜索Expected:后面的md5,替换为and found之后的那个md5
将更改后的artifacts.xml打包到${jbpm_home}/gpd/jbpm-gpd-site/artifacts.jar中

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