Hi All, I have build Giraph for patch-854 on hadoop1.0.0. I have run the example of SimpleShortestPathsComputation successfully but when I try to run the some other code by following the same architecture as used in SimpleShortestPathsComputation Example, it gives me following error-
Exception in thread "main" java.lang.RuntimeException: class MyVertexClass not org.apache.giraph.graph.Vertex at org.apache.hadoop.conf.Configuration.setClass(Configuration.java:915) at org.apache.giraph.conf.ClassConfOption.set(ClassConfOption.java:145) at org.apache.giraph.conf.GiraphConfiguration.setVertexClass(GiraphConfiguration.java:85) at org.apache.giraph.utils.ConfigurationUtils.populateGiraphConfiguration(ConfigurationUtils.java:210) at org.apache.giraph.utils.ConfigurationUtils.parseArgs(ConfigurationUtils.java:147) at org.apache.giraph.GiraphRunner.run(GiraphRunner.java:74) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) at org.apache.giraph.GiraphRunner.main(GiraphRunner.java:124) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.util.RunJar.main(RunJar.java:156) and when I implement the Vertex Interface, it gives me following exception- Exception in thread "main" java.lang.IncompatibleClassChangeError: Implementing class at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) at java.net.URLClassLoader.access$100(URLClassLoader.java:71) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) 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 java.lang.ClassLoader.loadClass(ClassLoader.java:358) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:190) at org.apache.giraph.utils.ConfigurationUtils.populateGiraphConfiguration(ConfigurationUtils.java:210) at org.apache.giraph.utils.ConfigurationUtils.parseArgs(ConfigurationUtils.java:147) at org.apache.giraph.GiraphRunner.run(GiraphRunner.java:74) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) at org.apache.giraph.GiraphRunner.main(GiraphRunner.java:124) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.util.RunJar.main(RunJar.java:156) Please tell me what should I do or what am I missing. Thanks.