error trying to access DFS

when trying to connect to DFS I'm getting this error:

Exception in thread "main" java.lang.NoClassDefFoundError: Could not initialize class com.emc.documentum.fs.tracing.DFSTracer
at com.emc.documentum.fs.aspects.Tracing.ajc$afterThrowing$com_emc_documentum_fs_aspects_Tracing$3$8b9079b8(Tracing.aj:74)
at com.emc.documentum.fs.rt.impl.DfsClientConfigManager.loadModuleInfoConfiguration(DfsClientConfigManager.java:142)
at com.emc.documentum.fs.rt.impl.DfsClientConfigManager.<init>(DfsClientConfigManager.java:27)
at com.emc.documentum.fs.rt.impl.DfsClientConfigManager.<clinit>(DfsClientConfigManager.java:176)
at com.emc.documentum.fs.rt.context.ContextFactory.<init>(ContextFactory.java:30)
at com.emc.documentum.fs.rt.context.ContextFactory.<clinit>(ContextFactory.java:252)
at test.Test.main(Test.java:42)