linux下jdb远程调试tomcat源码

核心提示：jdb远程调试tomcat在tomcat打开调试设置jvm参数-Xrunjdwp:transport=dt_socket,server=y,address=9090,suspend=y在linux命令行jdb连接9090端口jdb -attach ip:9090 -sourcepath /softwares/apach

jdb远程调试tomcat

在tomcat打开调试设置jvm参数

-Xrunjdwp:transport=dt_socket,server=y,address=9090,suspend=y
在linux命令行jdb连接9090端口

jdb -attach ip:9090 -sourcepath /softwares/apache-tomcat-7.0.40-src/java
设置断点

stop at org.apache.tomcat.util.IntrospectionUtils:402
stop at org.apache.tomcat.util.IntrospectionUtils:406
stop at org.apache.tomcat.util.IntrospectionUtils:408
stop at org.apache.tomcat.util.IntrospectionUtils:412
执行程序

main[1] run
> Set deferred breakpoint org.apache.tomcat.util.IntrospectionUtils:412
Set deferred breakpoint org.apache.tomcat.util.IntrospectionUtils:412
Set deferred breakpoint org.apache.tomcat.util.IntrospectionUtils:408
Unable to set deferred breakpoint org.apache.tomcat.util.IntrospectionUtils:406

: No code at line 406 in org.apache.tomcat.util.IntrospectionUtils

Stopping due to deferred breakpoint errors.
Set deferred breakpoint org.apache.tomcat.util.IntrospectionUtils:402

Breakpoint hit:
Breakpoint hit: "thread=main",

org.apache.tomcat.util.IntrospectionUtils.setProperty(), line=412 bci=849
412 ExceptionUtils.handleThrowable(ie.getCause());
打印变量

main[1] locals
Method arguments:
o = instance of x.x.x.JNDIRealm(id=1156)
name = "connectionPassword"
value = "1234"
invokeSetProperty = true
Local variables:
setter = "setConnectionPassword"
ie = instance of java.lang.reflect.InvocationTargetException(id=1160)
main[1] dump ie.target
ie.target = {
serialVersionUID: -7034897190745766939
java.lang.Exception.serialVersionUID: -3387516993124229948
java.lang.Throwable.serialVersionUID: -3042686055658047285
java.lang.Throwable.detailMessage: "password decrypt is error!"
java.lang.Throwable.cause: instance of java.lang.RuntimeException(id=1163)
java.lang.Throwable.stackTrace: null
}
打印变量dump信息

main[1] dump ie.target.cause
ie.target.cause = {
serialVersionUID: -7034897190745766939
java.lang.Exception.serialVersionUID: -3387516993124229948
java.lang.Throwable.serialVersionUID: -3042686055658047285
java.lang.Throwable.detailMessage: "get content from cyberark error"
java.lang.Throwable.cause: instance of

javapasswordsdk.exceptions.PSDKException(id=1165)
java.lang.Throwable.stackTrace: null
}
ctrl+c 退出

main[1]