有关 ClassNotFoundException: flex.messaging.HttpFlexSession
2010-11-10 17:17
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新建了整合入BlazeDS功能的Flex,在本地开发可谓是一马平川,顺风顺水。
通过SVN提交后,同事开发总是有羁绊,尽管我们试过了把开发环境(MyEclipse 6.5 +FlexBuild 3)完全一致,把发布的服务器也弄得一模一样(JBoss 4.0.2),可在我本地没有问题的Flex Web工程,在他那里启动时,却总是报错,
Error configuring application listener of class flex.messaging.HttpFlexSession
java.lang.ClassNotFoundException: flex.messaging.HttpFlexSession
at java.net.URLClassLoader$1.run(URLClassLoader.java:199)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3607)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4097)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:503)
at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:150)
...........................
问题呢,看似显而易见,不就是lib包找不到么?
貌似简单,可实际上问题不是如此,不仅开发环境和服务器高度一致的我们,甚至把发布war包也做了“愚公移山式”的对比,
可结果呢?还是如此!!!
已经被此问题纠葛了数日,开发进程也是一拖再拖,就在一筹莫展之际,想到了系统环境变量,这可能就是这个诡异问题的最后的一片避难所了!
一比方才发现,原来他的JDK 版本是1.4,症结所在!!!
为了达到“死个明白”的目的,最终在Adobe官方网站上关于BlazeDS的FAQ板块http://opensource.adobe.com/svn/opensource/blazeds/trunk/development/eclipse/projects/readme.txt,
得到了印证:
在遇到此问题java.lang.ClassNotFoundException: flex.messaging.HttpFlexSession的兄弟们,先看系统变量的JDK版本吧!!!
通过SVN提交后,同事开发总是有羁绊,尽管我们试过了把开发环境(MyEclipse 6.5 +FlexBuild 3)完全一致,把发布的服务器也弄得一模一样(JBoss 4.0.2),可在我本地没有问题的Flex Web工程,在他那里启动时,却总是报错,
Error configuring application listener of class flex.messaging.HttpFlexSession
java.lang.ClassNotFoundException: flex.messaging.HttpFlexSession
at java.net.URLClassLoader$1.run(URLClassLoader.java:199)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3607)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4097)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:503)
at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:150)
...........................
问题呢,看似显而易见,不就是lib包找不到么?
貌似简单,可实际上问题不是如此,不仅开发环境和服务器高度一致的我们,甚至把发布war包也做了“愚公移山式”的对比,
可结果呢?还是如此!!!
已经被此问题纠葛了数日,开发进程也是一拖再拖,就在一筹莫展之际,想到了系统环境变量,这可能就是这个诡异问题的最后的一片避难所了!
一比方才发现,原来他的JDK 版本是1.4,症结所在!!!
为了达到“死个明白”的目的,最终在Adobe官方网站上关于BlazeDS的FAQ板块http://opensource.adobe.com/svn/opensource/blazeds/trunk/development/eclipse/projects/readme.txt,
得到了印证:
在遇到此问题java.lang.ClassNotFoundException: flex.messaging.HttpFlexSession的兄弟们,先看系统变量的JDK版本吧!!!
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