我们很难让堆栈跟踪反模糊处理正常工作。
每当我们遇到异常时，我们的堆栈跟踪如下所示：
2013-05-13T20:43:36.990952+00:00 stg-cardit1 hermione: PermutationStrongName: 4212E9F1A585F0854FEF253CBA77BD18
2013-05-13T20:43:36.998257+00:00 stg-cardit1 hermione: ERROR:Unhandled client exception[0]java.lang.RuntimeException: Crash
2013-05-13T20:43:36.998386+00:00 stg-cardit1 hermione: Caused by:
2013-05-13T20:43:36.998479+00:00 stg-cardit1 hermione: EXCEPTION: Crash(java.lang.RuntimeException)
2013-05-13T20:43:36.998567+00:00 stg-cardit1 hermione: Unknown.Pp(StackTraceCreator.java:174)
2013-05-13T20:43:36.998653+00:00 stg-cardit1 hermione: Unknown.qd(StackTraceCreator.java:508)
2013-05-13T20:43:36.998739+00:00 stg-cardit1 hermione: Unknown.td(Exception.java:29)
2013-05-13T20:43:36.998824+00:00 stg-cardit1 hermione: Unknown.wo(RuntimeException.java:29)
2013-05-13T20:43:36.998910+00:00 stg-cardit1 hermione: Unknown.Mid(CardServiceImpl.java:207)
2013-05-13T20:43:36.998996+00:00 stg-cardit1 hermione: Unknown.u4c(MasterActivity.java:404)
2013-05-13T20:43:36.999136+00:00 stg-cardit1 hermione: Unknown.m5c(MasterActivity.java:368)
2013-05-13T20:43:36.999241+00:00 stg-cardit1 hermione: Unknown.p5c(MasterActivity.java:367)
2013-05-13T20:43:36.999332+00:00 stg-cardit1 hermione: Unknown.Xjd(FlickrServiceImpl.java:79)
2013-05-13T20:43:36.999418+00:00 stg-cardit1 hermione: Unknown.dkd(FlickrServiceImpl.java:92)
2013-05-13T20:43:36.999503+00:00 stg-cardit1 hermione: Unknown.akd(FlickrServiceImpl.java:49)
2013-05-13T20:43:36.999588+00:00 stg-cardit1 hermione: Unknown.rBd(SevogleRequestBuilder.java:29)
2013-05-13T20:43:36.999673+00:00 stg-cardit1 hermione: Unknown.uE(Request.java:258)
2013-05-13T20:43:36.999797+00:00 stg-cardit1 hermione: Unknown.gF(RequestBuilder.java:412)
2013-05-13T20:43:36.999893+00:00 stg-cardit1 hermione: Unknown.anonymous(XMLHttpRequest.java:351)
2013-05-13T20:43:36.999980+00:00 stg-cardit1 hermione: Unknown.hp(Impl.java:189)
2013-05-13T20:43:37.000065+00:00 stg-cardit1 hermione: Unknown.kp(Impl.java:242)
2013-05-13T20:43:37.000150+00:00 stg-cardit1 hermione: Unknown.anonymous(Impl.java:70)
我已将gwt.xml文件更新为以下行：
<!-- Stack track info -->
<set-property name="compiler.stackMode" value="emulated" />
<set-property name="compiler.useSourceMaps" value="true" />
<set-configuration-property name="compiler.emulatedStack.recordLineNumbers" value="true" />
<set-configuration-property name="compiler.emulatedStack.recordFileNames" value="true" />
我们遇到的第一个问题是gwtc正在创建名为“null_symbolMap0.json”的符号图文件
我们手工编写了我们的ant构建脚本，让它将permuation名称放入文件名
WEB-INF/symbolMaps/${permutation_name}_sourceMap0.json
我也用
测试了它WEB-INF/symbolMaps/${permutation_name}.sourceMap0.json
然后在.war文件中。
当我们去打电话时，我们使用以下命令
getServletContext().getRealPath("/");
StackTraceDeobfuscator deob = new StackTraceDeobfuscator(getServletContext().getRealPath("/WEB-INF/symbolMaps"));
StackTraceElement[] elements = deob.deobfuscateStackTrace(jsElements.toArray(new StackTraceElement[0]), gwtPermutationStrongName);
其中gwtPermutationStrongName与文件中的名称相同。
符号映射中的json如下所示：
{
"version":3,
"file":"sourceMap0",
"lineCount":8439,
"mappings":"A;AAwCA,aAAA,CAAA,CAAA......AA,IAAA;",
"sources":["com/google/gwt/dev/jjs/intrinsic/com/google/gwt/lang/SeedUtil.java","com/google/gwt/emul/java/lang/Object.java",...,"com/google/gwt/dev/jjs/intrinsic/com/google/gwt/lang/ClassLiteralHolder.java"],
"names":[]
}
查看源图，似乎“名称”字段为空。但是我不知道该怎么做，因为我已经设置了上面的标志。
构建正在ANT中进行，具体如下
<property name="gwt.args" value="-localWorkers 8 -extra war/WEB-INF/classes/" />
<java failonerror="true" fork="true" classname="com.google.gwt.dev.Compiler">
<classpath>
<pathelement location="war/WEB-INF/classes/*.jar" />
<pathelement location="war/WEB-INF/lib/*.jar" />
<pathelement location="src" />
<pathelement location="gen" />
<path refid="project.class.path" />
<pathelement location="${gwt.sdk}/validation-api-1.0.0.GA.jar" />
<pathelement location="${gwt.sdk}/validation-api-1.0.0.GA-sources.jar" />
</classpath>
<!-- add jvmarg -Xss16M or similar if you see a StackOverflowError -->
<jvmarg value="-Xmx2524M" />
<!-- <arg line="-compileReport" />
<arg line="-XsoycDetailed" /> -->
<arg line="-war" />
<arg value="war" />
<!-- Additional arguments like -style PRETTY or -logLevel DEBUG -->
<arg line="${gwt.args}" />
<arg value="com.sevogle.hermione.Hermione" />
</java>
我已经看到一些注释，如果你有闭包编译器启用，堆栈跟踪功能不起作用，但除非它默认启用，否则我们没有启用它。
https://code.google.com/p/google-web-toolkit/issues/detail?id=7803
您可以在此处查看这两个文件： https://www.dropbox.com/sh/h1bwe9e8jr2040x/RVlEdqrvHg
提前感谢您的时间。
亚当