XMLParser.configure is not threadsafe.
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Key: JELLY-277
URL: https://issues.apache.org/jira/browse/JELLY-277
Project: Commons Jelly
Issue Type: Bug
Components: core / taglib.core
Affects Versions: 1.0
Environment: Linux 64bits, JDK build 1.6.0_01-b06
Reporter: Yung-Lin Ho
XMLParser will try to load jelly.properties from disk when it first being used.
However, because XMLParser.configure method is not threadsafe, when I tried to
return multiple jelly scripts/instance at the same time, XMLParser threw out
the following error message
java.lang.ClassNotFoundException: core
at
org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1166)
at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1107)
at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:977)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at org.apache.commons.jelly.parser.XMLParser.createTag(XMLParser.java:985)
java.lang.ClassNotFoundException: core
at
org.apache.commons.jelly.parser.XMLParser.createSAXException(XMLParser.java:1180)
at org.apache.commons.jelly.parser.XMLParser.createTag(XMLParser.java:990)
at
org.apache.commons.jelly.parser.XMLParser.startElement(XMLParser.java:593)
In order to fix this problem, we have to make ensureConfigured() and
configure() synchronized methods.
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