Hello,
I believe that this problem might have been posted before, but I was unable to find
any references in the archives, so . . .
I'm trying to use Jason Hunter's com.oreilly.servlet.MultipartRequest class to
handle (of all things) a multipart/form-data HTTP POST request. I am getting a
NoClassDefFound error on javax/servlet/ServletRequest inside the MultipartRequest
constructor, at the point where the com.oreilly.servlet.multipart.MultipartParse
object is initialized. Here is a stack trace:
java.lang.NoClassDefFoundError: javax/servlet/ServletRequest
at com.oreilly.servlet.MultipartRequest.<init>(MultipartRequest.java:116)
at com.oreilly.servlet.MultipartRequest.<init>(MultipartRequest.java:74)
at mypackage.MyServlet.doPost(MyServlet.java:111)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
at org.apache.tomcat.core.Handler.service(Handler.java:286)
at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
at
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection(Ajp12ConnectionHandler.java:166)
at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
at java.lang.Thread.run(Thread.java:484)
It seems that for some reason, once the MultipartRequest constructor is called, my
CLASSPATH is getting mangled somehow.
Just for reference, when tomcat is started, it uses the following CLASSPATH:
Using classpath:
/ext/jakarta-tomcat-3.2.1/lib/ant.jar: // tomcat libs
/ext/jakarta-tomcat-3.2.1/lib/jasper.jar:
/ext/jakarta-tomcat-3.2.1/lib/jaxp.jar:
/ext/jakarta-tomcat-3.2.1/lib/parser.jar:
/ext/jakarta-tomcat-3.2.1/lib/servlet.jar:
/ext/jakarta-tomcat-3.2.1/lib/test:
/ext/jakarta-tomcat-3.2.1/lib/webserver.jar:
/ext/jdk1.3/lib/tools.jar: // runtime stuff
/ext/jdk1.3/jre/lib/rt.jar:
/ext/jdk1.3/jre/lib/i18n.jar:
/ext/j2sdkee1.2.1/lib/j2ee.jar: // J2EE stuff
/ext/jdk1.3/jre/lib/ext/jce1_2_1.jar: // JCE stuff
/ext/jdk1.3/jre/lib/ext/sunjce_provider.jar:
/ext/j2sdkee1.2.1/lib:
/ext/j2sdkee1.2.1/lib/system/mm.mysql-2.0.4-bin.jar: // my JDBC driver
/ext/j2sdkee1.2.1/lib/system: // this is where i've copied the
com.oreilly.servlet tree (i've also
// tried using the included .jar file, with
the exact same result)
/ext/webmacro/webmacro.jar: // webmacro template engine stuff
/ext/webmacro
Note: It seems that the actual file upload is going through fine . . . ive checked
and the uploads do actually get stored in my temporary directory . . . apparently the
problem appears after the files are stored "temporarily" and before they are moved to
the upload dir specified in the MultipartRequest constructor.
One last thing: I've run a sanity check by installing and configuring the included
demos in upload.war . . . and I get the same results. Same error: it cannot find
javax/servlet/ServletRequest.
Anybody have *any* idea of what's going on here?
Any help is greatly appreciated.
--john jacobs
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