2011-10-28 57 views
28

我做了搜索,發現QuickTip: VerifyError with jdk 7從eclipse運行Google App時,爲什麼會出現以下錯誤?

If you are struggling with the following kind of error

java.lang.VerifyError: Expecting a stackmap frame at branch target 6 bla bla bla …

then a simple solution is to add the following default JVM argument -XX:-UseSplitVerifier

If you are doing it in eclipse, like i was, then goto Window -> Preferences -> Installed JREs -> and add the default parameter.

What does this setting do? Oracle just mentions that it a new type checker with StackMapTable attributes. Huh! Enjoy! It is Oracle now.

然而,當我去安裝的JRE設置,它說:An error has occurred when creating this preference page

我開始學習谷歌應用程序引擎,並開始與谷歌的CodeLabEx0,我覺得它運行良好,因爲我在瀏覽器上看到了我應該看到的東西。但是當我轉到第二章CodeLabEx1時,出現了一個錯誤,它不允許我通過瀏覽器界面創建任何產品或項目。然後我看了看日食控制檯,看到這個:

Oct 28, 2011 11:40:30 PM com.google.apphosting.utils.jetty.JettyLogger info 
INFO: Logging to JettyLogger(null) via com.google.apphosting.utils.jetty.JettyLogger 
Oct 28, 2011 11:40:31 PM com.google.apphosting.utils.config.AppEngineWebXmlReader readAppEngineWebXml 
INFO: Successfully processed C:\Users\rock84\Downloads\CodeLabEx1\CodeLabEx1\war\WEB-INF/appengine-web.xml 
Oct 28, 2011 11:40:31 PM com.google.apphosting.utils.config.AbstractConfigXmlReader readConfigXml 
INFO: Successfully processed C:\Users\rock84\Downloads\CodeLabEx1\CodeLabEx1\war\WEB-INF/web.xml 
Oct 28, 2011 4:40:31 PM com.google.appengine.tools.development.DevAppServerImpl start 
INFO: The server is running at http://localhost:8888/ 
Oct 28, 2011 11:40:59 PM com.google.apphosting.utils.jetty.JettyLogger warn 
WARNING: Error for /product 
java.lang.VerifyError: Expecting a stackmap frame at branch target 48 in method com.google.appengine.codelab.ProductServlet.doPut(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V at offset 38 
    at java.lang.Class.getDeclaredConstructors0(Native Method) 
    at java.lang.Class.privateGetDeclaredConstructors(Unknown Source) 
    at java.lang.Class.getConstructor0(Unknown Source) 
    at java.lang.Class.newInstance0(Unknown Source) 
    at java.lang.Class.newInstance(Unknown Source) 
    at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153) 
    at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:428) 
    at org.mortbay.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:339) 
    at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) 
    at com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:35) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) 
    at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:58) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) 
    at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) 
    at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:122) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) 
    at com.google.appengine.tools.development.BackendServersFilter.doFilter(BackendServersFilter.java:97) 
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) 
    at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) 
    at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) 
    at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) 
    at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) 
    at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) 
    at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:70) 
    at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) 
    at com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:351) 
    at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) 
    at org.mortbay.jetty.Server.handle(Server.java:326) 
    at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) 
    at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923) 
    at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547) 
    at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) 
    at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) 
    at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) 
    at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) 

我不知道這可能是什麼。這與以下安裝的軟件的Eclipse 3.7的全新安裝:

  • Eclipse IDE的Java開發人員
  • 谷歌App Engine的Java SDK的1.5.5
  • Gooogle企業Eclipse插件3.7
  • 谷歌Web工具包SDK 2.4.0

我在Windows 7 64位與Java版本1.7.0

回答

30

好吧,我找到了這樣lution。這就是我寫在最上面的東西。原來我是在錯誤的eclipse安裝中添加參數。它現在有效。

「如果您使用以下類型的錯誤 掙扎java.lang.VerifyError的:在分支目標期待stackmap幀6唧唧歪歪...... 然後一個簡單的解決方案是增加以下默認JVM參數-XX :-UseSplitVerifier 如果你在eclipse中這樣做,就像我一樣,然後轉到Window - > Preferences - > Installed JREs - >並添加默認參數 這個設置有什麼作用?Oracle只是提到它是一個新的類型檢查器有了StackMapTable屬性,呵呵!享受吧!現在是Oracle。「 感謝這哥們兒:http://vikashazrati.wordpress.com/2011/10/09/quicktip-verifyerror-with-jdk-7/

2

部署在GAE我的GWT應用程序時,我使用JDK 7切換項目JDK 6解決了這個問題(我忘了我有類似的問題,在這個時候只有JDK 5和6由GAE支持)。

+0

另請參閱[Google文檔](https://developers.google.com/appengine/docs/java/gettingstarted/installing)以獲取受支持的Java版本。 – gcbound

7

這也可以通過更改運行配置: 運行>運行配置

從左邊選擇你的Web應用程序項目,打開參數選項卡,並添加-XX:-UseSplitVerifier參數VM參數。

這種方法的好處也是它的缺點:它只適用於這個項目,而不是整個VM安裝。

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