Eclipse打不开，出现an error has occured see the log file（日志中出现!MESSAGE FrameworkEvent ERROR !STACK 0）问题
昨晚打开Eclipse软件截图写了一篇博客，就关掉了软件，后来电脑也没有关机就去睡觉了，早晨点击Eclipse发现，人工呼吸也不能救活了。
出现这个弹框：
查看.log日志文件也不是很懂：
代码语言：javascript代码运行次数：0运行复制!SESSION 2019-03-30 10:23:12.879 -----------------------------------------------
eclipse.buildId=4.9.0.I20180906-0745
java.version=11
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=zh_CN
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product
!ENTRY org.eclipse.jpt.dbws.eclipselink.core.gen 4 0 2019-03-30 10:23:14.383
!MESSAGE FrameworkEvent ERROR
!STACK 0
org.osgi.framework.BundleException: Could not resolve module: org.eclipse.jpt.dbws.eclipselink.core.gen [449]
Unresolved requirement: Require-Bundle: org.eclipse.persistence.dbws.builder; bundle-version="[2.3.0,3.0.0)"
-> Bundle-SymbolicName: org.eclipse.persistence.dbws.builder; bundle-version="2.7.1.v20171221-bd47e8f"
org.eclipse.persistence.dbws.builder [728]
Unresolved requirement: Import-Package: javax.xml.bind; resolution:="optional"
Unresolved requirement: Import-Package: org.eclipse.persistence.tools.oracleddl.metadata; version="1.0.0"; resolution:="optional"
Unresolved requirement: Import-Package: org.eclipse.persistence.tools.oracleddl.metadata.visit; version="1.0.0"; resolution:="optional"
Unresolved requirement: Import-Package: org.eclipse.persistence.tools.oracleddl.parser; version="1.0.0"; resolution:="optional"
Unresolved requirement: Import-Package: org.eclipse.persistence.tools.oracleddl.util; version="1.0.0"; resolution:="optional"
Unresolved requirement: Require-Bundle: org.eclipse.persistence.dbws; bundle-version="2.7.1"
-> Bundle-SymbolicName: org.eclipse.persistence.dbws; bundle-version="2.7.1.v20171221-bd47e8f"
org.eclipse.persistence.dbws [727]
Unresolved requirement: Import-Package: javax.ws.rs; version="2.0.1"; resolution:="optional"
Unresolved requirement: Import-Package: javax.ws.rs.core; version="2.0.1"; resolution:="optional"
Unresolved requirement: Import-Package: javax.ws.rs.ext; version="2.0.1"; resolution:="optional"
Unresolved requirement: Import-Package: javax.xml.bind; resolution:="optional"
Unresolved requirement: Import-Package: javax.xml.bind.annotation; resolution:="optional"
Unresolved requirement: Import-Package: javax.xml.bind.annotation.adapters; resolution:="optional"
Unresolved requirement: Require-Bundle: org.eclipse.persistence.moxy; bundle-version="2.7.1"
-> Bundle-SymbolicName: org.eclipse.persistence.moxy; bundle-version="2.7.1.v20171221-bd47e8f"
org.eclipse.persistence.moxy [731]
Unresolved requirement: Import-Package: com.sun.xml.bind; resolution:="optional"
Unresolved requirement: Import-Package: com.sun.xml.bind.annotation; resolution:="optional"
Unresolved requirement: Import-Package: com.sun.xml.bind.api; resolution:="optional"
Unresolved requirement: Import-Package: com.sun.xml.bind.api.impl; resolution:="optional"
Unresolved requirement: Import-Package: com.sun.codemodel; version="[2.2.11,3.0.0)"; resolution:="optional"
Unresolved requirement: Import-Package: com.sun.xml.xsom; resolution:="optional"
Unresolved requirement: Import-Package: com.sun.xml.xsom.impl; resolution:="optional"
Unresolved requirement: Import-Package: com.sun.xml.xsom.impl.parser; resolution:="optional"
Unresolved requirement: Import-Package: com.sun.tools.xjc; version="[2.2.11,3.0.0)"; resolution:="optional"
Unresolved requirement: Import-Package: com.sun.tools.xjc.model; version="[2.2.11,3.0.0)"; resolution:="optional"
Unresolved requirement: Import-Package: com.sun.tools.xjc.outline; version="[2.2.11,3.0.0)"; resolution:="optional"
Unresolved requirement: Import-Package: javax.json; resolution:="optional"
Unresolved requirement: Import-Package: javax.json.stream; resolution:="optional"
Unresolved requirement: Import-Package: javax.validation; version="1.1.0"; resolution:="optional"
Unresolved requirement: Import-Package: javax.validation.constraints; version="1.1.0"; resolution:="optional"
Unresolved requirement: Import-Package: javax.validation.groups; version="1.1.0"; resolution:="optional"
Unresolved requirement: Import-Package: javax.validation.metadata; version="1.1.0"; resolution:="optional"
Unresolved requirement: Import-Package: javax.ws.rs; version="2.0.1"; resolution:="optional"
Unresolved requirement: Import-Package: javax.ws.rs.core; version="2.0.1"; resolution:="optional"
Unresolved requirement: Import-Package: javax.ws.rs.ext; version="2.0.1"; resolution:="optional"
Unresolved requirement: Import-Package: javax.xml.bind
Unresolved requirement: Import-Package: javax.xml.ws.handler; resolution:="optional"
-> Export-Package: javax.xml.ws.handler; bundle-symbolic-name="javax.xml.ws"; bundle-version="2.1.0.v200902101523"; version="2.1.0"
javax.xml.ws [38]
Unresolved requirement: Import-Package: javax.xml.bind
Unresolved requirement: Import-Package: javax.xml.ws; resolution:="optional"
-> Export-Package: javax.xml.ws; bundle-symbolic-name="javax.xml.ws"; bundle-version="2.1.0.v200902101523"; version="2.1.0"
Unresolved requirement: Import-Package: javax.xml.ws.soap; resolution:="optional"
-> Export-Package: javax.xml.ws.soap; bundle-symbolic-name="javax.xml.ws"; bundle-version="2.1.0.v200902101523"; version="2.1.0"
Unresolved requirement: Require-Bundle: org.eclipse.persistence.moxy; bundle-version="2.7.1"
-> Bundle-SymbolicName: org.eclipse.persistence.moxy; bundle-version="2.7.1.v20171221-bd47e8f"
at org.eclipse.osgi.container.Module.start(Module.java:447)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1685)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1664)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1627)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1558)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:233)
at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:343)由于不清楚Eclipse打不开的原因，所以就查找各种解决方法，发现并不管用
最粗暴有效的解决方法:
1.可以选择重新安装Eclipse，解决100%问题
2.如果还有Eclipse安装文件，可以选择重新建一个文件夹作为Workspaces，然后再重启Eclipse，也能解决问题
但是我不想错过这样一个锻炼自己解决错误的机会，所以上面简单粗暴的方法，我并没有采用
先总结一下失败的方法：
网上查到我尝试的方法
代码语言：javascript代码运行次数：0运行复制查看log文件，发现有这样的信息：
!MESSAGE The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.
解决方案：
删除\.metadata\.plugins\org.eclipse.core.resources\*.snap这个文件，
重启Eclipse，会成功。失败原因：我对应文件夹里面没有这个文件
代码语言：javascript代码运行次数：0运行复制查看log文件，发现有这样的错误信息：
!MESSAGE FrameworkEvent ERROR
解决方案：cmd命令进eclipse，运行命令 eclipse.exe -clean后会自动打开软件，启动成功失败原因：提示eclipse.exe -clean不是内部命令，Eclipse更没有自动打开
代码语言：javascript代码运行次数：0运行复制eclipse版本太新会出现这样的问题，
解决方法：
1，打开eclipse安装目录下的eclipse.ini文件；
2，打开的文本文件最后添加一行
--add-modules=ALL-SYSTEM
3，保存重新打开Eclipse。失败原因：Eclipse依然打不开，并且.ini文件添加的内容在我重新打开Eclipse的时候自动消失了
代码语言：javascript代码运行次数：0运行复制1.打开eclipse工作空间D:\eclipse\workspace\.metadata\.plugins\org.eclipse.core.resources找到.projects文件
2.打开.projects文件，删除该目录下所有工程里的.markers.snap和.syncinfo.snap文件
3.再次启动eclipse就OK了！失败原因：.projects文件下所有工程里只找到了.markers文件，删除后Eclipse依然打不开
代码语言：javascript代码运行次数：0运行复制将configuration\org.eclipse.osgi\.manager路径下的.fileTableLock删除，
重新启动就正常了。失败原因：这种原因解决成功是因为Eclipse没有正常关闭导致的锁了，很明显我的不是这个原因，再次失败。
当然还有一些是因为jdk版本的问题，我没有动我的jdk所以应该不是这个问题了
好了，说一下我是怎么解决的，经历过上面的种种操作，我把电脑关机，上午关机一直到晚上才打开，点击Eclipse发现可以打开了，我也懵逼中，所以建议大家节省时间，去用简单粗暴的方法。
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