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Workflows in OnCommand Workflow Automation fail with an "invalid character" error

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Applies to

OnCommand Workflow Automation (WFA) 5.1.x

Issue

Workflows in OnCommand Workflow Automation fail with an "invalid character" error. The hex character can vary, but the line and position it fails are are consistent.

Example from testing the certified command manually, or when looking in the <install path>\NetApp\WFA\jboss\standalone\log\wfa.log:
2020-01-23 21:24:21,724 INFO  [com.netapp.wfa.command.execution.instance.impl.ExecutionInstanceDaoImpl] (default task-1) [Create volume]   ### Command 'Create volume' in 'POWER_SHELL' ###
2020-01-23 21:24:27,178 INFO  [com.netapp.wfa.command.execution.instance.impl.ExecutionInstanceDaoImpl] (default task-8) [Create volume]   Get-WfaCredentials -Host 10.216.25.206
2020-01-23 21:24:27,740 INFO  [com.netapp.wfa.command.execution.instance.impl.ExecutionInstanceDaoImpl] (default task-8) [Create volume]   Credentials successfully provided for '10.216.25.206'
2020-01-23 21:24:28,443 ERROR [com.netapp.wfa.command.execution.instance.impl.ExecutionInstanceDaoImpl] (default task-1) [Create volume]   Failed executing command. Exception: '_x0019_', hexadecimal value 0x19, is an invalid character. Line 1, position 723.

 

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