jvm bug A fatal error has been detected by the Java Runtime Environment:_# # a fatal error has been detected by the java ru-优快云博客

本文解决了一起在配置修改后，启动Tomcat时出现的Java运行时环境内部错误的问题。通过参考Oracle文档，发现是Hibernate的注解处理导致的JIT编译优化出错。解决方案是在Eclipse中调整默认JVM参数，排除特定方法的编译优化。

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今天在配置了修改了一下，启动tomcat的时候，出现了如下错误。
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (c1_Optimizer.cpp:271), pid=6048, tid=5404
# guarantee(x_compare_res != Constant::not_comparable) failed: incomparable constants in IfOp
#
# JRE version: 6.0_29-b11
# Java VM: Java HotSpot(TM) Client VM (20.4-b02 mixed mode windows-x86 )
2013-01-10 13:47:34,671 INFO hibernate.cfg.AnnotationBinder:419 -> Binding entity from annotated class: com.estone.www.spis.model.po.zd.sys.DPossession
2013-01-10 13:47:34,671 INFO cfg.annotations.EntityBinder:422 -> Bind entity com.estone.www.spis.model.po.zd.sys.DPossession on table d_possession
2013-01-10 13:47:34,671 INFO hibernate.cfg.AnnotationBinder:419 -> Binding entity from annotated class: com.estone.www.spis.model.po.zd.writ.DWritTemplate
2013-01-10 13:47:34,671 INFO cfg.annotations.EntityBinder:422 -> Bind entity com.estone.www.spis.model.po.zd.writ.DWritTemplate on table d_writ_template
2013-01-10 13:47:34,671 INFO hibernate.cfg.AnnotationBinder:419 -> Binding entity from annotated class: com.estone.www.spis.model.po.zd.writ.DWritType
2013-01-10 13:47:34,671 INFO cfg.annotations.EntityBinder:422 -> Bind entity com.estone.www.spis.model.po.zd.writ.DWritType on table d_writ_type
# An error report file with more information is saved as:
# D:\Program Files\apache-tomcat-6.0.20\bin\hs_err_pid6048.log
#
# If you would like to submit a bug report, please visit:
#

解决方案如下：

网上解释归结于：JIT在做编译优化的时候处理时出错，可能是触发了JVM的编译器的BUG导致的。幸好SUN（Oracle）提供了相关的文档说明，得以让我们解决了这个问题。 
文档地址：http://www.oracle.com/technetwork/java/javase/crashes-137240.html#gbyzu 
在这里，导致本次错误的是这个方法：
	
  解决办法：让jvm跳过该方法的编译优化 
1.如果是eclipse下启动服务，则在myeclipse-preference-java-installed jres 里面设置， 在 defalt vm arguments 填入下边的代码就可以了！如图：
代码：