From: Adam B. <ada...@gb...> - 2001-01-11 06:09:39
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Benjamin Scherrey wrote: > I'm trying to install jython but whenever I try to execute any > program > I get a NullPointerException. I'm running Linux RedHat 6.1. Attached is > a file that shows what occurs. What am I doing wrong? > It looks like it has a problem with caching xerces.jar. As a short term workaround you could try removing it from your CLASSPATH. Why it chokes might need some investigating, though ... > thanx & later, > > Ben Scherrey: > > > jython Demo/swing/TreeDemo.py > java -version > package-mgr*: processing new jar, '/home/scherrey/jython-2.0b2/jython.jar' > *sys-package-mgr*: processing new jar, '/usr/java/jars/bsf.jar' > *sys-package-mgr*: processing new jar, '/usr/java/jars/fop.jar' > *sys-package-mgr*: processing new jar, '/usr/java/jars/xalan.jar' > *sys-package-mgr*: processing new jar, '/usr/java/jars/xerces.jar' > Exception in thread "main" java.lang.NullPointerException > at org.python.core.CachedJarsPackageManager.addJarToPackages > Looks like it stuffs up here. > (CachedJarsPackageManager.java:271) > at > org.python.core.CachedJarsPackageManager.addJarToPackages(CachedJarsPackag > eManager.java:175) > at > org.python.core.PathPackageManager.addClassPath(PathPackageManager.java:13 > 4) > at > org.python.core.SysPackageManager.findAllPackages(SysPackageManager.java:6 > 3) > at > org.python.core.SysPackageManager.<init>(SysPackageManager.java:23) > at > org.python.core.PySystemState.initPackages(PySystemState.java:385) > at org.python.core.PySystemState.initialize(PySystemState.java:327) > at org.python.core.PySystemState.initialize(PySystemState.java:294) > at org.python.util.jython.main(jython.java:75) > > :java -version > java version "1.3.0" > Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.0) > Java HotSpot(TM) Client VM (build 1.3.0, mixed mode) |