java.lang.NoClassDefFoundError: org/apache/tools/ant/launch/AntMain
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Key: XALANJ-1987
URL: http://nagoya.apache.org/jira/browse/XALANJ-1987
Project: XalanJ2
Type: Bug
Components: Xalan
Environment: some tomcat versions
Reporter: Philippe Vijghen
The Xalan implementation of
org.apache.xalan.xslt.EnvironmentCheck.checkEnvironment leads to unexpected
exception when there is an ant present that do not implement the AntMain method
anymore (which is the case with the ant embedded in various tomcat 4 versions).
One workaround is to remove the ant.jar file in the lib directory of tomcat,
but then tomcat fails to compile JSP files.
A better solution would be to adapt the ant check of xalan in order to make
sure that no exception is launched if the version of ant does not support the
org/apache/tools/ant/launch/AntMain (it is btw a pity that the backward
compatibility of that AntMain was broken by ant.jar)
java.lang.NoClassDefFoundError: org/apache/tools/ant/launch/AntMain
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at
org.apache.catalina.loader.StandardClassLoader.findClass(StandardClassLoader.java:621)
at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:958)
at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:857)
at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:941)
at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:857)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1429)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1289)
at
org.apache.xalan.xslt.EnvironmentCheck.classForName(EnvironmentCheck.java:1202)
at
org.apache.xalan.xslt.EnvironmentCheck.checkAntVersion(EnvironmentCheck.java:1016)
at
org.apache.xalan.xslt.EnvironmentCheck.getEnvironmentHash(EnvironmentCheck.java:268)
at
org.apache.xalan.xslt.EnvironmentCheck.checkEnvironment(EnvironmentCheck.java:211)
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