Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

java.lang.NullPointerException: 	at ru.runa.gpd.lang.model.MultiSubprocess.isCompatibleVariables(MultiSubprocess.java:27)	at ru.runa.gpd.lang.model.Subprocess.validate(Subprocess.java:57)	at ru.runa.gpd.lang.model.MultiSubprocess.validate(MultiSubprocess.java:16)	at ru.runa.gpd.lang.model.GraphElement.validate(GraphElement.java:136)	at ru.runa.gpd.lang.model.ProcessDefinition.validate(ProcessDefinition.java:227)	at ru.runa.gpd.lang.par.ProcessDefinitionValidator.validateDefinition(ProcessDefinitionValidator.java:34)	at ru.runa.gpd.editor.ProcessEditorBase.doSave(ProcessEditorBase.java:280)	at ru.runa.gpd.ui.action.Save.run(Save.java:9)