I am facing java.lang.NullPointerException exception while coping artifact through SCP task

Suvankar Dey March 19, 2018
Starting task 'Copy Artifact to NP2 QAPROD' of type 'com.atlassian.bamboo.plugins.bamboo-scp-plugin:scptask'
simple	19-Mar-2018 03:33:10	Connecting to dkdl6351.dcsgomni.com on port: 22
error	19-Mar-2018 03:33:10	Error occurred while running Task 'Copy Artifact to NP2 QAPROD(3)' of type com.atlassian.bamboo.plugins.bamboo-scp-plugin:scptask.
error	19-Mar-2018 03:33:10	java.lang.NullPointerException
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.plugins.scp.SSHKeyProvider.<init>(SSHKeyProvider.java:26)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.plugins.scp.ScpTask.execute(ScpTask.java:257)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.plugins.scp.ScpTask.run(ScpTask.java:120)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.plugins.scp.ScpTask.execute(ScpTask.java:106)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.task.TaskExecutorImpl.lambda$executeTasks$1(TaskExecutorImpl.java:281)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.task.TaskExecutorImpl.executeTaskWithPrePostActions(TaskExecutorImpl.java:224)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.task.TaskExecutorImpl.executeTasks(TaskExecutorImpl.java:281)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.task.TaskExecutorImpl.execute(TaskExecutorImpl.java:112)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.build.pipeline.tasks.ExecuteBuildTask.call(ExecuteBuildTask.java:71)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent.executeBuildPhase(DefaultBuildAgent.java:203)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent.build(DefaultBuildAgent.java:175)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.v2.build.agent.BuildAgentControllerImpl.lambda$waitAndPerformBuild$0(BuildAgentControllerImpl.java:122)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.variable.CustomVariableContextImpl.withVariableSubstitutor(CustomVariableContextImpl.java:185)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.v2.build.agent.BuildAgentControllerImpl.waitAndPerformBuild(BuildAgentControllerImpl.java:117)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent$1.run(DefaultBuildAgent.java:126)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.utils.BambooRunnables$1.run(BambooRunnables.java:48)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.security.ImpersonationHelper.runWith(ImpersonationHelper.java:26)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.security.ImpersonationHelper.runWithSystemAuthority(ImpersonationHelper.java:17)
error	19-Mar-2018 03:33:10		at com.atlassian.bamboo.security.ImpersonationHelper$1.run(ImpersonationHelper.java:41)
error	19-Mar-2018 03:33:10		at java.lang.Thread.run(Thread.java:748)
simple	19-Mar-2018 03:33:10	Finalising the build...
simple	19-Mar-2018 03:33:10	Stopping timer.

3 answers

1 vote
Alexey Chystoprudov
Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
March 19, 2018

It looks like https://jira.atlassian.com/browse/BAM-19712, which is fixed in next minor release planned for this week

0 votes
Suvankar Dey March 19, 2018

Thanks everyone . I got the solution, there was some problem with private keys. Now its fine 

0 votes
Charlie Misonne
Community Leader
Community Leader
Community Leaders are connectors, ambassadors, and mentors. On the online community, they serve as thought leaders, product experts, and moderators.
March 19, 2018

Did your plan move to another project recently? Or was it cloned from another one?

I encountered this behavior in the past. The solution was to delete every task related to the artifacts (artifact definition, artifact download, scp task) and recreate them.

See this bug report as well https://jira.atlassian.com/browse/BAM-15033

Suvankar Dey March 19, 2018

WithoutUncheckOption.PNGWithUncheckOption.PNGNo, Plan is not moved to another project and there is no clone. Manually i have created this. 
Problem is that whenever I am selecting "Use SSH custom key" option under Authentication type, its asking to browse and upload keys without any uncheck option.

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