[MAGNOLIA-4842] Don't fail with an obscure NPE when the version's repository isn't configured propertly Created: 14/Feb/13  Updated: 10/Mar/21  Resolved: 10/Mar/21

Status: Closed
Project: Magnolia
Component/s: core
Affects Version/s: 4.5.7
Fix Version/s: None

Type: Bug Priority: Major
Reporter: Magnolia International Assignee: Unassigned
Resolution: Outdated Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Template:
Acceptance criteria:
Empty
Task DoD:
[ ]* Doc/release notes changes? Comment present?
[ ]* Downstream builds green?
[ ]* Solution information and context easily available?
[ ]* Tests
[ ]* FixVersion filled and not yet released
[ ]  Architecture Decision Record (ADR)
Bug DoR:
[ ]* Steps to reproduce, expected, and actual results filled
[ ]* Affected version filled

 Description   

When configuring Jackrabbit, users sometimes make the mistake of not configuring the schemaObjectPrefix properly for the Versioning PM. They might for example copy paste a snippet for the regular PM which includes <param name="schemaObjectPrefix" value="${wsp.name}_"/>.

When this happens, startup fails miserably - it should still fail, but a more specific and explicit message would help !

com.google.inject.CreationException: Guice creation errors:
 
1) Error injecting constructor, java.lang.NullPointerException
  at info.magnolia.cms.core.version.VersionManager.<init>(VersionManager.java:65)
  at info.magnolia.objectfactory.guice.GuiceComponentConfigurationModule.bindImplementation(GuiceComponentConfigurationModule.java:155)
  while locating info.magnolia.cms.core.version.VersionManager
Caused by: java.lang.NullPointerException
        at info.magnolia.cms.core.version.BaseVersionManager$1.exec(BaseVersionManager.java:126)
        at info.magnolia.cms.core.version.BaseVersionManager$1.exec(BaseVersionManager.java:121)
        at info.magnolia.cms.security.JCRSessionOp.exec(JCRSessionOp.java:69)
        at info.magnolia.context.MgnlContext.doInSystemContext(MgnlContext.java:403)

(see complete stacktrace in attachement)

When resolving, please investigate and report any finding regarding the second startup failure in the attached log - is it related in any way ?

2) Error injecting constructor, java.lang.NullPointerException
  at info.magnolia.freemarker.FreemarkerHelper.<init>(FreemarkerHelper.java:91)
  at info.magnolia.objectfactory.guice.GuiceComponentConfigurationModule.bindImplementation(GuiceComponentConfigurationModule.java:155)
  while locating info.magnolia.freemarker.FreemarkerHelper
Caused by: java.lang.NullPointerException
        at info.magnolia.freemarker.FreemarkerHelper.<init>(FreemarkerHelper.java:113)

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