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  1. Jenkins
  2. JENKINS-62358

NonProductionGradeDatabaseWarningAdministrativeMonitor slowing down startup

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    • 1201.v1fce0b_9b_a_e24

    Description

      I noticed Jenkins being slow to start up, and saw this in a thread dump:

      "Handling GET /jenkins/ from ... View/index.jelly AdministrativeMonitorsDecorator/footer.jelly" ...
         java.lang.Thread.State: RUNNABLE
      	at org.h2.store.fs.FileMemData.<clinit>(FilePathMem.java:443)
      	at org.h2.store.fs.FilePathMem.<clinit>(FilePathMem.java:36)
      	at java.lang.Class.forName0(Native Method)
      	at java.lang.Class.forName(Class.java:264)
      	at org.h2.store.fs.FilePath.registerDefaultProviders(FilePath.java:82)
      	at org.h2.store.fs.FilePath.get(FilePath.java:50)
      	at org.h2.store.fs.FileUtils.isAbsolute(FileUtils.java:102)
      	at org.h2.engine.ConnectionInfo.getName(ConnectionInfo.java:383)
      	at org.h2.engine.Engine.openSession(Engine.java:53)
      	at org.h2.engine.Engine.openSession(Engine.java:201)
      	- locked <0x...> (a org.h2.engine.Engine)
      	at org.h2.engine.Engine.createSessionAndValidate(Engine.java:178)
      	at org.h2.engine.Engine.createSession(Engine.java:161)
      	at org.h2.engine.Engine.createSession(Engine.java:31)
      	at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:336)
      	at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:169)
      	at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:148)
      	at org.h2.Driver.connect(Driver.java:69)
      	at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
      	at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:353)
      	at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:201)
      	at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:473)
      	at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:562)
      	at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
      	at com.zaxxer.hikari.HikariDataSource.<init>(HikariDataSource.java:81)
      	at org.jenkinsci.plugins.pipeline.maven.GlobalPipelineMavenConfig.getDao(GlobalPipelineMavenConfig.java:340)
      	- locked <0x...> (a org.jenkinsci.plugins.pipeline.maven.GlobalPipelineMavenConfig)
      	at org.jenkinsci.plugins.pipeline.maven.NonProductionGradeDatabaseWarningAdministrativeMonitor.isActivated(NonProductionGradeDatabaseWarningAdministrativeMonitor.java:19)
      	at jenkins.model.Jenkins.lambda$getActiveAdministrativeMonitors$1(Jenkins.java:2214)
      	at jenkins.model.Jenkins$$Lambda$156/1109785585.test(Unknown Source)
      	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174)
      	at java.util.Iterator.forEachRemaining(Iterator.java:116)
      	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
      	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
      	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
      	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
      	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
      	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:566)
      	at jenkins.model.Jenkins.getActiveAdministrativeMonitors(Jenkins.java:2219)
      	at jenkins.management.AdministrativeMonitorsDecorator.getActiveAdministrativeMonitors(AdministrativeMonitorsDecorator.java:77)
      	at jenkins.management.AdministrativeMonitorsDecorator.getActiveAdministrativeMonitorsCount(AdministrativeMonitorsDecorator.java:72)
      	at jenkins.management.AdministrativeMonitorsDecorator.shouldDisplay(AdministrativeMonitorsDecorator.java:131)
      	at ...
      

      We should not do such excessive class loading just to show an admin monitor. I think we can assume that in the common case where GlobalPipelineMavenConfig has never been configured, no one really cares that much about the database, and you should not expend any resources on it.

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              bguerin Benoit
              jglick Jesse Glick
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                Created:
                Updated:
                Resolved: