Myeclipse2015 stable2.0 和Myeclipse10 共存的解决办法：
1. 准备内容：
1) myeclipse-2015-stable-2.0-offline-installer-windows.exe;
2) myeclipse2015破解包：myeclipse2015-stable2.0 补丁 注册机 步骤.rar；
3)myeclipse-10.6-offline-installer-windows.exe;
4)myeclipse10破解包：myeclipse10.6完美破解(带破解说明).rar；
2. 破解方法(使用Myeclipse10的破解工具)：
1) 点击run.bat或 运行cracker.jar，弹出对话框；
2) 输入Usercode ， 点击"SystemId" 获取 SystemId的值，点击"Active"；
3)执行"ReplaceJarFile..." (此操作即是更新jar包，包括公钥文件);
4) 选择Myeclipse10的plugins目录(如：D:\Program Files (x86)\MyEclipse10\Common\plugins),直至更新完毕；
5)选择Myeclipse2015的plugins目录(如：D:\Program Files (x86)\MyEclipse2015\plugins),直至更新完毕；
6) 把Myeclipse2015破解包中的patch-补丁包更新到Myeclipse2015的plugins目录(如：D:\Program Files (x86)\MyEclipse2015\plugins)；
7)点击"SaveProperities" ,直至2个版本的Myeclipse均已破解，用的是同一个公钥public.bytes文件。
附破解过程日志：
Fllow Orders.
1. Close MyEclipse Application(if you wanna replace jar file).
2. Fill usercode
3. Fill systemid
*. myeclipse active dialog show
*. Press Button to Generate id
4. Tools->RebuildKey {Create or Replace [private/public]Key.bytes (if not exists in current folder).}
5. Press Active Buttom
belows not options
6. Tools->ReplaceJarFile
*. choose MyEclipseFolder->Common->plugins
*. it will replace SignatureVerifier and publicKey.bytes in jars under plugins folder, opreation will do together.
7. Tools->SaveProperites
*. MyEclipse Startup Will Read This File to Active Product.
8. Open MyEclipse Application.
2016-8-24 10:39:39
LICENSEE
google2016
LICENSE_KEY
tLR8ZO-855555-64537856872993695
ACTIVATION_CODE
11fCD6a909BEda57147731tLR8ZO-855555-64537856872993695190823
ACTIVATION_KEY
5bcb35b5c69dcd705cdadfea5df098056b4429687f7bfd9433e2d4bfc67ca7a3803e7dca06c6ac173d49cc45ea6a40e99b378f9385a29e84b523e72d371bfbac658c6c985dd0788d0af92c1f7b75cf12a237a761a720d3eb46fb30339a6103010064a9bb27fca0296dd3f0b2513264a2f0d9eadd5b1c4ad140d2c95b41d4c80e
--------------------------------------------破解10-----------------------------------------------
find files in [D:\Program Files (x86)\MyEclipse10\Common\plugins]
Replacing [SignatureVerifier <before MyEclipse 10.1>].
Done.
Replacing [publicKey.bytes].
replacing file [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.core_10.6.0.me201207261914 - 副本.jar] and create bakFile [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.core_10.6.0.me201207261914 - 副本.jar.bak20160824104054]
update [com/genuitec/eclipse/core/publicKey.bytes]
replacing file [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.core_10.6.0.me201207261914.jar] and create bakFile [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.core_10.6.0.me201207261914.jar.bak20160824104054]
update [com/genuitec/eclipse/core/publicKey.bytes]
replacing file [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.core_13.0.1.me201505191534.jar] and create bakFile [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.core_13.0.1.me201505191534.jar.bak20160824104054]
update [com/genuitec/eclipse/core/publicKey.bytes]
Done.
Replacing [SpecialSignatureVerifier<for MyEclipse.10.1>].
replacing file [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.core.common_10.5.0.me201207221418.jar] and create bakFile [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.core.common_10.5.0.me201207221418.jar.bak20160824104058]
update [com/genuitec/eclipse/core/ui/preference/MECPListContentProvider.class]
replacing file [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.easie.core_10.5.0.me201206121730\easiecore.jar] and create bakFile [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.easie.core_10.5.0.me201206121730\easiecore.jar.bak20160824104059]
update [com/genuitec/eclipse/easie/core/ui/action/ServerValidateAction.class]
replacing file [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.j2eedt.core_10.5.0.me201207171805\j2eedtcore.jar] and create bakFile [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.j2eedt.core_10.5.0.me201207171805\j2eedtcore.jar.bak20160824104101]
update [com/genuitec/eclipse/j2eedt/taglib/TagLibReader.class]
found SignatureVerifier.File [com/genuitec/eclipse/j2eedt/ui/taglib/TLDExtInfo.class],but was not in list.can't replace it.
replacing file [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.j2eedt.ui_13.0.0.me201505121703\j2eedtcore.jar] and create bakFile [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.eclipse.j2eedt.ui_13.0.0.me201505121703\j2eedtcore.jar.bak20160824104102]
replacing file [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.myeclipse.product_10.1.0.me201207261914\myeclipse-product.jar] and create bakFile [D:\Program Files (x86)\MyEclipse10\Common\plugins\com.genuitec.myeclipse.product_10.1.0.me201207261914\myeclipse-product.jar.bak20160824104102]
update [com/genuitec/myeclipse/product/ProductViewer.class]
Done.
--------------------------------------------破解2015-----------------------------------------------
find files in [D:\Program Files (x86)\MyEclipse 2015\plugins]
Replacing [SignatureVerifier <before MyEclipse 10.1>].
Done.
Replacing [publicKey.bytes].
replacing file [D:\Program Files (x86)\MyEclipse 2015\plugins\com.genuitec.eclipse.core_13.0.1.me201505191534.jar] and create bakFile [D:\Program Files (x86)\MyEclipse 2015\plugins\com.genuitec.eclipse.core_13.0.1.me201505191534.jar.bak20160824104213]
update [com/genuitec/eclipse/core/publicKey.bytes]
Done.
Replacing [SpecialSignatureVerifier<for MyEclipse.10.1>].
found SignatureVerifier.File [com/genuitec/eclipse/j2eedt/ui/taglib/TLDExtInfo.class],but was not in list.can't replace it.
replacing file [D:\Program Files (x86)\MyEclipse 2015\plugins\com.genuitec.eclipse.j2eedt.ui_13.0.0.me201505121703\j2eedtcore.jar] and create bakFile [D:\Program Files (x86)\MyEclipse 2015\plugins\com.genuitec.eclipse.j2eedt.ui_13.0.0.me201505121703\j2eedtcore.jar.bak20160824104217]
Done.
Writing to license File [C:\Users\***\.myeclipse.properties]