Package: checkstyle Version: 5.7-1 With the release of commons-beanutils 1.9.1 (possibly from commons-beanutils 1.9.0 itself), the org.apache.commons.collections package was removed from this source package, since it was already present in the libcommons-collections3-java source package. Because the wrapper script doesn't include the latter package in the list of jars to add to the runtime path, checkstyle crashes with the following stack trace:
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/collections/FastHashMap at org.apache.commons.beanutils.PropertyUtilsBean.getPropertyDescriptor(PropertyUtilsBean.java:959) at org.apache.commons.beanutils.BeanUtilsBean.copyProperty(BeanUtilsBean.java:388) at com.puppycrawl.tools.checkstyle.api.AutomaticBean.contextualize(AutomaticBean.java:206) at com.puppycrawl.tools.checkstyle.Checker.setupChild(Checker.java:156) at com.puppycrawl.tools.checkstyle.api.AutomaticBean.configure(AutomaticBean.java:184) at com.puppycrawl.tools.checkstyle.Main.createChecker(Main.java:143) at com.puppycrawl.tools.checkstyle.Main.main(Main.java:120) Caused by: java.lang.ClassNotFoundException: org.apache.commons.collections.FastHashMap at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ... 7 more To fix this, two things need to be done: 1. Edit the wrapper to load the commons-collections3 jar file. 2. Add a dependency on libcommons-collections3-java In addition, it may be possible to remove the libcommons-beanutils-java dependency. A basic test seems to show checkstyle working without the jar file loaded at runtime. I've attached a patch that does the two things above. See also https://bugs.launchpad.net/ubuntu/+source/checkstyle/+bug/1308794[1] -- Saikrishna Arcot -------- [1] https://bugs.launchpad.net/ubuntu/+source/checkstyle/+bug/1308794
=== modified file 'debian/control' --- debian/control 2013-08-28 18:26:59 +0000 +++ debian/control 2014-04-22 12:05:07 +0000 @@ -9,6 +9,7 @@ junit4 (>= 4.8), libantlr-maven-plugin-java, libcommons-beanutils-java (>= 1.5), + libcommons-collections3-java, libcommons-cli-java, libguava-java, libmaven-antrun-plugin-java (>= 1.6), === modified file 'debian/wrappers/checkstyle' --- debian/wrappers/checkstyle 2013-06-17 11:29:36 +0000 +++ debian/wrappers/checkstyle 2014-04-22 12:05:07 +0000 @@ -5,6 +5,6 @@ find_java_runtime default sunmin5 -find_jars antlr commons-beanutils guava commons-cli commons-logging checkstyle +find_jars antlr commons-beanutils commons-collections3 guava commons-cli commons-logging checkstyle run_java com.puppycrawl.tools.checkstyle.Main "$@"
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