java.lang.NullPointerException at "TldLocationsCache.processJars" when running Tomcat 4.x built from sources

[Aleksander Grzebyta <al...@talex.com.pl>]

Dear Collegues !

I tried to build Tomcat 4.0.3 and then 4.1 (from cvs) and every time failing
the same way (!) when running the built project. (running tomcat and
pointing the browser to http://localhost:8080).
The compilation run rather fine - just some depreciation warnings. I
followed instructions in BUILT.txt.
Please point me into the right direction. I know something went wrong. But
what ? Has anybody similar problems ?

There were some inconsistences:

The downloaded "jakarta-tomcat-connectors" does not contain
SystemLogHandler.class" - I found it on the one downloaded from cvs.
Also there were no
# ----- Commons Logging, version 1.0.1 or later -----
in the location pointed in build.properties.sample file:
commons-logging.loc=http://jakarta.apache.org/builds/jakarta-commons/release
/commons-logging/v1.0.1/commons-logging-1.0.1.tar.gz
I have found them also somewhere among cvs downloaded files.

sincerely Olek
Poznan, Poland

System : w2k
JDK: 1.4.0
ANT: 1.4.1

Tomcat 4.0.3 - source download
Tomcat 4.1 from cvs


javax.servlet.ServletException: Servlet.init() for servlet jsp threw
exception
 at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:94
7)
 at
org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:656)
 at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:214)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:191)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2350)
 at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
 at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:170)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
 at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:171
)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:174)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
 at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
 at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:380)
 at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
 at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:518)
 at java.lang.Thread.run(Thread.java:536)

root cause
java.lang.NullPointerException
 at
org.apache.jasper.compiler.TldLocationsCache.processJars(TldLocationsCache.j
ava:203)
 at
org.apache.jasper.compiler.TldLocationsCache.(TldLocationsCache.java:139)
 at org.apache.jasper.EmbededServletOptions.(EmbededServletOptions.java:350)
 at org.apache.jasper.servlet.JspServlet.init(JspServlet.java:265)
 at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:91
9)
 at
org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:656)
 at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:214)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:191)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2350)
 at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
 at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:170)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
 at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:171
)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:174)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
 at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
 at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:380)
 at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
 at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:518)
 at java.lang.Thread.run(Thread.java:536)




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