https://issues.apache.org/bugzilla/show_bug.cgi?id=56177
Bug ID: 56177
Summary: JSPC: NPE at
org.apache.jasper.servlet.JspCServletContext.getResour
ce(JspCServletContext.java:344)
Product: Tomcat 8
Version: 8.0.3
Hardware: PC
OS: Mac OS X 10.4
Status: NEW
Severity: normal
Priority: P2
Component: Jasper
Assignee: [email protected]
Reporter: [email protected]
When trying to compile a jsp that uses JSTL, I have a NPE in the JSP compiler.
I am attaching a zip that contains a self contained sample showing the bug with
correct dependencies via Maven:
Have Maven installed.
Unzip the bug.zip attached file (there is a JSP and a simple Main calling the
JSPC compiler with the correct flags)
cd bug/jspcBug
mvn install
mvn exec:java -Dexec.mainClass="bug.JSPCBug"
See the NPE:
ava.lang.NullPointerException
at
org.apache.jasper.servlet.JspCServletContext.getResource(JspCServletContext.java:344)
at
org.apache.jasper.JspCompilationContext.getResource(JspCompilationContext.java:283)
at
org.apache.jasper.JspCompilationContext.getLastModified(JspCompilationContext.java:359)
at
org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:138)
at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:411)
at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:469)
at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1455)
at org.apache.jasper.compiler.Parser.parse(Parser.java:139)
at
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:229)
at
org.apache.jasper.compiler.ParserController.parse(ParserController.java:100)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:200)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:375)
at org.apache.jasper.JspC.processFile(JspC.java:1205)
at org.apache.jasper.JspC.execute(JspC.java:1356)
at org.apache.jasper.JspC.main(JspC.java:270)
at bug.JSPCBug.main(JSPCBug.java:23)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:297)
at java.lang.Thread.run(Thread.java:724)
org.apache.jasper.JasperException: java.lang.NullPointerException
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