Create Issue hangs in Weblogic

When creating an issue, JIRA hangs. The last message in the logs is:

[INFO] StoreFactory - -Initializing WorkflowStore: com.opensymphony.workflow.spi.ofbiz.OfbizWorkflowStore^M

After a log time, the following exception may print in the logs:

org.ofbiz.core.entity.GenericDataSourceException: SQL Exception while executing the following:INSERT INTO OS_HISTORYSTEP (ID,
ENTRY_ID, STEP_ID, ACTION_ID, OWNER, START_DATE, DUE_DATE, FINISH_DATE, STATUS, CALLER) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
(ORA-00001: unique constraint (JIRA.PK_OS_HISTORYSTEP) violated^M
)^M
at org.ofbiz.core.entity.jdbc.SQLProcessor.executeUpdate(SQLProcessor.java:341)^M
at org.ofbiz.core.entity.GenericDAO.singleInsert(GenericDAO.java:115)^M
at org.ofbiz.core.entity.GenericDAO.singleStore(GenericDAO.java:242)^M
at org.ofbiz.core.entity.GenericDAO.storeAll(GenericDAO.java:285)^M
at org.ofbiz.core.entity.GenericHelperDAO.storeAll(GenericHelperDAO.java:221)^M
at org.ofbiz.core.entity.GenericDelegator.storeAll(GenericDelegator.java:1472)^M
at org.ofbiz.core.entity.GenericDelegator.storeAll(GenericDelegator.java:1418)^M
at com.opensymphony.workflow.spi.ofbiz.OfbizWorkflowStore.moveToHistory(OfbizWorkflowStore.java:283)^M
at com.opensymphony.workflow.AbstractWorkflow.createNewCurrentStep(AbstractWorkflow.java:1016)^M
at com.opensymphony.workflow.AbstractWorkflow.transitionWorkflow(AbstractWorkflow.java:1327)^M
at com.opensymphony.workflow.AbstractWorkflow.doAction(AbstractWorkflow.java:502)^M
at com.atlassian.jira.workflow.OSWorkflowManager.doWorkflowAction(OSWorkflowManager.java:150)^M
at com.atlassian.jira.web.action.workflow.SimpleWorkflowAction.doExecute(SimpleWorkflowAction.java:23)^M
at webwork.action.ActionSupport.execute(ActionSupport.java:151)^M