JSP precompilation, jspc, NullPointerException
Hi,
I try to get the precompilation working with tomcat 5.5.7 under Windows NT.
I use the following target:
target name=jspc
taskdef classname=org.apache.jasper.JspC name=jasper2
classpath id=jspc.classpath
pathelement
location=${java.home}/../lib/tools.jar/
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/server/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
/classpath
/taskdef
jasper2
validateXml=false
uriroot=${webapp.path}
webXmlFragment=${webapp.path}/WEB-INF/generated_web.xml
outputDir=${webapp.path}/WEB-INF/src /
/target
And I'm getting a NullPointer Exception (see below), looks like the Jasper
cannot be created.
Anyone has a clue why this happens?
Thanks for your help
Bernhard
jspc:
[jasper2] java.lang.NullPointerException
[jasper2] at
org.apache.jasper.JspCompilationContext.createCompiler(JspCom
pilationContext.java:220)
[jasper2] at org.apache.jasper.JspC.processFile(JspC.java:847)
[jasper2] at org.apache.jasper.JspC.execute(JspC.java:989)
[jasper2] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
[jasper2] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
sorImpl.java:39)
[jasper2] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMet
hodAccessorImpl.java:25)
[jasper2] at java.lang.reflect.Method.invoke(Method.java:585)
[jasper2] at
org.apache.tools.ant.TaskAdapter.execute(TaskAdapter.java:123
)
[jasper2] at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.ja
va:275)
[jasper2] at org.apache.tools.ant.Task.perform(Task.java:364)
[jasper2] at org.apache.tools.ant.Target.execute(Target.java:341)
[jasper2] at org.apache.tools.ant.Target.performTasks(Target.java:369)
[jasper2] at
org.apache.tools.ant.Project.executeTarget(Project.java:1214)
[jasper2] at
org.apache.tools.ant.Project.executeTargets(Project.java:1062
)
[jasper2] at org.apache.tools.ant.Main.runBuild(Main.java:673)
[jasper2] at org.apache.tools.ant.Main.startAnt(Main.java:188)
[jasper2] at
org.apache.tools.ant.launch.Launcher.run(Launcher.java:196)
[jasper2] at
org.apache.tools.ant.launch.Launcher.main(Launcher.java:55)
BUILD FAILED
D:\work\jspdeploy2\precompile.xml:25: org.apache.jasper.JasperException
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jspc NullPointerException
Hey, I try to compile a JSP with the jspc-Script. I download the binary-distritbution fo tomcat-1.4.12. My Java-Version is 1.4.0 If i execute the following command a NullPointerException is thrown. ./jspc.sh -uriroot ../webapps/examples ../webapps/examples/jsp/colors/colrs.jsp 2002-11-18 10:13:30 - ERROR-the file '/jsp/colors/colrs.jsp' generated the following general exception: java.lang.NullPointerException error:null Several variations of options could't help Thanks for help Holger -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: jspc NullPointerException
Try to isolate the error further, error:null seems like it is coming from
a:
catch(Exception e){
System.out.println(error: + e.getMessage());
}
in your code.
Null pointer exception is very often a call to a method on an object which
has not been instantiated.
Andoni.
- Original Message -
From: Holger Veltrup [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, November 18, 2002 9:15 AM
Subject: jspc NullPointerException
Hey,
I try to compile a JSP with the jspc-Script.
I download the binary-distritbution fo tomcat-1.4.12.
My Java-Version is 1.4.0
If i execute the following command a NullPointerException is thrown.
./jspc.sh -uriroot ../webapps/examples
../webapps/examples/jsp/colors/colrs.jsp
2002-11-18 10:13:30 - ERROR-the file '/jsp/colors/colrs.jsp' generated the
following general exception: java.lang.NullPointerException
error:null
Several variations of options could't help
Thanks for help
Holger
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jspc NullPointerException
Hey, I try to compile a JSP with the jspc-Script. I download the binary-distritbution tomcat-1.4.12. My Java-Version is 1.4.0 If I execute the following command a NullPointerException is thrown. ./jspc.sh -uriroot ../webapps/examples ../webapps/examples/jsp/colors/colrs.jsp 2002-11-18 10:13:30 - ERROR-the file '/jsp/colors/colrs.jsp' generated the following general exception: java.lang.NullPointerException error:null Several variations of options don't help Thanks for help Holger -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: Re: jspc NullPointerException
I use the tomcat example of downloaded distribution. There is not my owen code
intergrated.
The same call (./jspc.sh -uriroot ../webapps/examples
../webapps/examples/jsp/colors/colrs.jsp)
works with tomcat 4.0.3
Try to isolate the error further, error:null seems like it is coming from
a:
catch(Exception e){
System.out.println(error: + e.getMessage());
}
in your code.
Null pointer exception is very often a call to a method on an object which
has not been instantiated.
Andoni.
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