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Struts & Hibernate
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| | Very strange behavior, please, HELP (GenericServlet problem, error
500) | Very strange behavior, please, HELP (GenericServlet problem, error
500) 2003-06-06 - By Pavel Senko
Back
Hi All,
I've got Tomcat 4.1.18 + Apache 1.39 (Solaris, Sparc); Tomcat itself
works OK (shows examples, docs and all stuff).
When I try to execute one servlet, it gives me error 500 (see error text
below).
I've put into CLASSPATH everything *.jar (then restarted Tomcat and
Apache), copied all the jars into <tomcat>/common/lib but the errors
still apprears.
I've also edited catalina.sh and hardcoded CLASSPATH there just to be
sure Tomcat wouldn't miss it for some mistique reason. Still no progress.
Here is CLASSPATH:
/usr/java1.2/jre/lib/exactvm.jar:/usr/java1.2/jre/lib/rt.jar:/usr/java1.2/lib
/dt.jar:/usr/java1.2/jre/lib/ext/javax/servlet:/usr/java1.2/jre/lib/ext:/usr
/java1.2/lib/tools.jar:/usr/java1.2/lib/dt.jar:/usr/java1.2/src.jar:/metrics
/tomcat/common/lib/naming-resources.jar:/metrics/tomcat/common/lib/naming
-factory.jar:/metrics/tomcat/common/lib/naming-common.jar:/metrics/tomcat/common
/lib/mail.jar:/metrics/tomcat/common/lib/jta.jar:/metrics/tomcat/common/lib/jndi
.jar:/metrics/tomcat/common/lib/jdbc2_0-stdext.jar:/metrics/tomcat/common/lib
/jasper-runtime.jar:/metrics/tomcat/common/lib/jasper-compiler.jar:/metrics
/tomcat/common/lib/commons-pool.jar:/metrics/tomcat/common/lib/commons-logging
-api.jar:/metrics/tomcat/common/lib/commons-dbcp.jar:/metrics/tomcat/common/lib
/commons-collections.jar:/metrics/tomcat/common/lib/ant.jar:/metrics/tomcat
/common/lib/activation.jar:/metrics/tomcat/common/lib/chart.ext.jar:/metrics
/tomcat/common/lib/chart.jar:/usr/java:.:/metrics/tomcat/common/lib/servlet.jar:
/metrics/tomcat/common/lib:/metrics/tomcat/common/lib/chartServer.jar
I've seen the similar errors topics where the advice "include tools.jar
into CLASSPATH" seems to be working.
I'm kind of new in Servlets, so I don't really know what to dig. Any
advice will be appreciated.
Thanks,
Pavel.
here it is, the error:
HTTP Status 500 -
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
type Exception report
message
description The server encountered an internal error () that prevented
it from fulfilling this request.
exception
javax.servlet.ServletException  : Cannot allocate servlet instance for
path /servlet/com.objectplanet.chart.ChartServlet
at java.lang.Throwable (Native Method)
at java.lang.Throwable (Compiled Code)
at java.lang.Throwable (Compiled Code)
at java.lang.Exception (Compiled Code)
at javax.servlet.ServletException (ServletException.java:132)
at
org.apache.catalina.servlets.InvokerServlet (InvokerServlet.java
:435)
at
org.apache.catalina.servlets.InvokerServlet (InvokerServlet.java:180)
at javax.servlet.http.HttpServlet (HttpServlet.java:740)
at javax.servlet.http.HttpServlet (HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain
(ApplicationFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain (ApplicationFilterChain
.java:193)
at
org.apache.catalina.core.StandardWrapperValve (StandardWrapperValve.java
:260)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
at
org.apache.catalina.core.StandardContextValve (StandardContextValve.java
:191)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase (Compiled Code)
at org.apache.catalina.core.StandardContext (Compiled Code)
at
org.apache.catalina.core.StandardHostValve (StandardHostValve.java:180)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve
.java:170)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:641)
at
org.apache.catalina.valves.ErrorReportValve (ErrorReportValve.java:172)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:641)
at
org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
at
org.apache.catalina.core.StandardEngineValve (StandardEngineValve.java
:174)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter (CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor (Compiled Code)
at
org.apache.coyote.http11.Http11Protocol $Http11ConnectionHandler
.processConnection(Http11Protocol.java:386)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(Compiled Code)
at
org.apache.tomcat.util.threads.ThreadPool $ControlRunnable.run(Compiled Code)
at java.lang.Thread (Thread.java:479)
root cause
java.lang.NoClassDefFoundError : javax/servlet/GenericServlet
at java.lang.ClassLoader (Native Method)
at java.lang.ClassLoader (Compiled Code)
at java.lang.ClassLoader (Compiled Code)
at java.lang.ClassLoader (Compiled Code)
at sun.misc.Launcher$AppClassLoader.loadClass(Compiled Code)
at java.lang.ClassLoader (Compiled Code)
at org.apache.catalina.loader.WebappClassLoader (Compiled Code)
at org.apache.catalina.loader.WebappClassLoader (Compiled Code)
at org.apache.catalina.core.StandardWrapper (Compiled Code)
at org.apache.catalina.core.StandardWrapper (Compiled Code)
at
org.apache.catalina.servlets.InvokerServlet (InvokerServlet.java
:416)
at
org.apache.catalina.servlets.InvokerServlet (InvokerServlet.java:180)
at javax.servlet.http.HttpServlet (HttpServlet.java:740)
at javax.servlet.http.HttpServlet (HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain
(ApplicationFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain (ApplicationFilterChain
.java:193)
at
org.apache.catalina.core.StandardWrapperValve (StandardWrapperValve.java
:260)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
at
org.apache.catalina.core.StandardContextValve (StandardContextValve.java
:191)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase (Compiled Code)
at org.apache.catalina.core.StandardContext (Compiled Code)
at
org.apache.catalina.core.StandardHostValve (StandardHostValve.java:180)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve
.java:170)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:641)
at
org.apache.catalina.valves.ErrorReportValve (ErrorReportValve.java:172)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:641)
at
org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
at
org.apache.catalina.core.StandardEngineValve (StandardEngineValve.java
:174)
at
org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext
.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter (CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor (Compiled Code)
at
org.apache.coyote.http11.Http11Protocol $Http11ConnectionHandler
.processConnection(Http11Protocol.java:386)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(Compiled Code)
at
org.apache.tomcat.util.threads.ThreadPool $ControlRunnable.run(Compiled Code)
at java.lang.Thread (Thread.java:479)
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
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