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We have a vendor supplied API which is causing the following errors when I
try to run it in WDSC 5.1.2, using JDK 1.3. Their suggestion is to try to
run it in a Java 5 environment. Does either WDSC 5.1.2 or WDSC 6.0.1 allow
you to use Java 5? If not, any ideas on other alternatives? Has any one
seen this type of error before?
Thanks
[5/23/07 11:39:49:537 EDT] 46f646f6 WebGroup E SRVE0020E: [Servlet
Error]-[Utility]: Failed to load servlet: java.lang.LinkageError:
LinkageError while defining class: com.mirapoint.api.Appliance
Could not be defined due to: (com/mirapoint/api/Appliance) bad major
version at offset=6
This is often caused by having a class defined at multiple
locations within the classloader hierarchy. Other potential causes
include compiling against an older or newer version of the class
that has an incompatible method signature.
Dumping the current context classloader hierarchy:
==> indicates defining classloader
==>[0]
com.ibm.ws.classloader.CompoundClassLoader@5f155f15
Local ClassPath:
C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\classes;C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\lib\IntegrationAPI.jar;C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\lib\ldapjdk.jar;C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\lib\log4j-1.2.8.jar;C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\lib\McCIncAdsUtil.jar;C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\lib\orataglib_1_0_3.jar;C:\WDSC\workspace\EmailPortal\WebContent;
Delegation Mode: PARENT_FIRST
[1] com.ibm.ws.classloader.JarClassLoader@1835363685 Local Classpath:
C:\Program Files\IBM\WebSphere Studio\Application
Developer\v5.1\runtimes\express_v51\optionalLibraries\WDO\wdo-interface.jar;C:\Program
Files\IBM\WebSphere Studio\Application
Developer\v5.1\runtimes\express_v51\optionalLibraries\WDO\ras.jar;C:\Program
Files\IBM\WebSphere Studio\Application
Developer\v5.1\runtimes\express_v51\optionalLibraries\WDO\ffdc.jar
Delegation mode: PARENT_LAST
[2] com.ibm.ws.classloader.ExtJarClassLoader@1620140177 Local
ClassPath: C:\Program Files\IBM\WebSphere Studio\Application
Developer\v5.1\runtimes\express_v51\lib\app; Delegation Mode: PARENT_LAST
[3] com.ibm.ws.classloader.ProtectionClassLoader@4cc54cc5
[4] com.ibm.ws.bootstrap.ExtClassLoader@7980798
[5] sun.misc.Launcher$AppClassLoader@2f552f55
[6] sun.misc.Launcher$ExtClassLoader@616b616b
---Original exception---
java.lang.UnsupportedClassVersionError: (com/mirapoint/api/Appliance) bad
major version at offset=6
at java.lang.Throwable.<init>(Throwable.java)
at java.lang.Throwable.<init>(Throwable.java:73)
at
java.lang.UnsupportedClassVersionError.<init>(UnsupportedClassVersionError.java:48)
at java.lang.ClassLoader.defineClassImpl(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java)
at
com.ibm.ws.classloader.CompoundClassLoader._defineClass(CompoundClassLoader.java:446)
at
com.ibm.ws.classloader.CompoundClassLoader.findClass(CompoundClassLoader.java)
at
com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java)
at java.lang.ClassLoader.loadClass(ClassLoader.java)
at java.lang.Class.verifyImpl(Native Method)
at java.lang.Class.verify(Class.java)
at java.lang.Class.initialize(Class.java)
at java.lang.Class.newInstanceImpl(Native Method)
at java.lang.Class.newInstance(Class.java)
at java.beans.Beans.instantiate(Beans.java:218)
at java.beans.Beans.instantiate(Beans.java:62)
at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServletManager.java:188)
at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.getServletReference(WebAppServletManager.java:455)
at
com.ibm.ws.webcontainer.webapp.WebApp.getServletReference(WebApp.java:652)
at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.calculateInfo(WebAppRequestDispatcherInfo.java:187)
at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequestDispatcherInfo.java:68)
at
com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1462)
at
com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1421)
at
com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:268)
at
com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
at
com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:182)
at
com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
at
com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
at
com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:672)
--- end Original exception----
at java.lang.Throwable.<init>(Throwable.java)
at java.lang.Throwable.<init>(Throwable.java:73)
at
com.ibm.ws.classloader.CompoundClassLoader._defineClass(CompoundClassLoader.java:491)
at
com.ibm.ws.classloader.CompoundClassLoader.findClass(CompoundClassLoader.java)
at
com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java)
at java.lang.ClassLoader.loadClass(ClassLoader.java)
at java.lang.Class.verifyImpl(Native Method)
at java.lang.Class.verify(Class.java)
at java.lang.Class.initialize(Class.java)
at java.lang.Class.newInstanceImpl(Native Method)
at java.lang.Class.newInstance(Class.java)
at java.beans.Beans.instantiate(Beans.java:218)
at java.beans.Beans.instantiate(Beans.java:62)
at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServletManager.java:188)
at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.getServletReference(WebAppServletManager.java:455)
at
com.ibm.ws.webcontainer.webapp.WebApp.getServletReference(WebApp.java:652)
at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.calculateInfo(WebAppRequestDispatcherInfo.java:187)
at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequestDispatcherInfo.java:68)
at
com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1462)
at
com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1421)
at
com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:268)
at
com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
at
com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:182)
at
com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
at
com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
at
com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:672)
[5/23/07 11:39:49:599 EDT] 46f646f6 WebGroup E SRVE0026E: [Servlet
Error]-[Utility]: java.lang.LinkageError: LinkageError while defining
class: com.mirapoint.api.Appliance
Could not be defined due to: (com/mirapoint/api/Appliance) bad major
version at offset=6
This is often caused by having a class defined at multiple
locations within the classloader hierarchy. Other potential causes
include compiling against an older or newer version of the class
that has an incompatible method signature.
Dumping the current context classloader hierarchy:
==> indicates defining classloader
==>[0]
com.ibm.ws.classloader.CompoundClassLoader@5f155f15
Local ClassPath:
C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\classes;C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\lib\IntegrationAPI.jar;C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\lib\ldapjdk.jar;C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\lib\log4j-1.2.8.jar;C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\lib\McCIncAdsUtil.jar;C:\WDSC\workspace\EmailPortal\WebContent\WEB-INF\lib\orataglib_1_0_3.jar;C:\WDSC\workspace\EmailPortal\WebContent;
Delegation Mode: PARENT_FIRST
[1] com.ibm.ws.classloader.JarClassLoader@1835363685 Local Classpath:
C:\Program Files\IBM\WebSphere Studio\Application
Developer\v5.1\runtimes\express_v51\optionalLibraries\WDO\wdo-interface.jar;C:\Program
Files\IBM\WebSphere Studio\Application
Developer\v5.1\runtimes\express_v51\optionalLibraries\WDO\ras.jar;C:\Program
Files\IBM\WebSphere Studio\Application
Developer\v5.1\runtimes\express_v51\optionalLibraries\WDO\ffdc.jar
Delegation mode: PARENT_LAST
[2] com.ibm.ws.classloader.ExtJarClassLoader@1620140177 Local
ClassPath: C:\Program Files\IBM\WebSphere Studio\Application
Developer\v5.1\runtimes\express_v51\lib\app; Delegation Mode: PARENT_LAST
[3] com.ibm.ws.classloader.ProtectionClassLoader@4cc54cc5
[4] com.ibm.ws.bootstrap.ExtClassLoader@7980798
[5] sun.misc.Launcher$AppClassLoader@2f552f55
[6] sun.misc.Launcher$ExtClassLoader@616b616b
---Original exception---
java.lang.UnsupportedClassVersionError: (com/mirapoint/api/Appliance) bad
major version at offset=6
at java.lang.Throwable.<init>(Throwable.java)
at java.lang.Throwable.<init>(Throwable.java:73)
at
java.lang.UnsupportedClassVersionError.<init>(UnsupportedClassVersionError.java:48)
at java.lang.ClassLoader.defineClassImpl(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java)
at
com.ibm.ws.classloader.CompoundClassLoader._defineClass(CompoundClassLoader.java:446)
at
com.ibm.ws.classloader.CompoundClassLoader.findClass(CompoundClassLoader.java)
at
com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java)
at java.lang.ClassLoader.loadClass(ClassLoader.java)
at java.lang.Class.verifyImpl(Native Method)
at java.lang.Class.verify(Class.java)
at java.lang.Class.initialize(Class.java)
at java.lang.Class.newInstanceImpl(Native Method)
at java.lang.Class.newInstance(Class.java)
at java.beans.Beans.instantiate(Beans.java:218)
at java.beans.Beans.instantiate(Beans.java:62)
at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServletManager.java:188)
at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.getServletReference(WebAppServletManager.java:455)
at
com.ibm.ws.webcontainer.webapp.WebApp.getServletReference(WebApp.java:652)
at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.calculateInfo(WebAppRequestDispatcherInfo.java:187)
at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequestDispatcherInfo.java:68)
at
com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1462)
at
com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1421)
at
com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:268)
at
com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
at
com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:182)
at
com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
at
com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
at
com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:672)
--- end Original exception----
at java.lang.Throwable.<init>(Throwable.java)
at java.lang.Throwable.<init>(Throwable.java:73)
at
com.ibm.ws.classloader.CompoundClassLoader._defineClass(CompoundClassLoader.java:491)
at
com.ibm.ws.classloader.CompoundClassLoader.findClass(CompoundClassLoader.java)
at
com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java)
at java.lang.ClassLoader.loadClass(ClassLoader.java)
at java.lang.Class.verifyImpl(Native Method)
at java.lang.Class.verify(Class.java)
at java.lang.Class.initialize(Class.java)
at java.lang.Class.newInstanceImpl(Native Method)
at java.lang.Class.newInstance(Class.java)
at java.beans.Beans.instantiate(Beans.java:218)
at java.beans.Beans.instantiate(Beans.java:62)
at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServletManager.java:188)
at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.getServletReference(WebAppServletManager.java:455)
at
com.ibm.ws.webcontainer.webapp.WebApp.getServletReference(WebApp.java:652)
at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.calculateInfo(WebAppRequestDispatcherInfo.java:187)
at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequestDispatcherInfo.java:68)
at
com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1462)
at
com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1421)
at
com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:268)
at
com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
at
com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:182)
at
com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
at
com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
at
com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:672)
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