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  1. Kylin
  2. KYLIN-5847

kylin4.0.1 send mail throw exception

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Details

    • Bug
    • Status: Open
    • Major
    • Resolution: Unresolved
    • v4.0.1
    • None
    • Job Engine
    • None
    • kylin4.0.1-spark2

    Description

      kylin version is 4.0.1-spark2

      when job is discarded or successed,kylin.log content is:
      2024-04-11 13:46:35,241 ERROR [Scheduler 512464937 Job fd0b6de7-d474-47a4-9e65-e943366b7805-56] freemarker.runtime:60 : Error executing FreeMarker template
      FreeMarker template error:
      The following has evaluated to null or missing:
      ==> env_name  [in template "JOB_DISCARD.ftl" at line 101, column 19]
       


      Tip: If the failing expression is known to be legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??


       


      FTL stack trace ("~" means nesting-related):

      • Failed at: ${env_name}  [in template "JOB_DISCARD.ftl" at line 101, column 17]

         
        Java stack trace (for programmers):


        freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...]
        at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:131)
        at freemarker.core.EvalUtil.coerceModelToString(EvalUtil.java:355)
        at freemarker.core.Expression.evalAndCoerceToString(Expression.java:82)
        at freemarker.core.DollarVariable.accept(DollarVariable.java:41)
        at freemarker.core.Environment.visit(Environment.java:324)
        at freemarker.core.MixedContent.accept(MixedContent.java:54)
        at freemarker.core.Environment.visit(Environment.java:324)
        at freemarker.core.Environment.process(Environment.java:302)
        at freemarker.template.Template.process(Template.java:325)
        at org.apache.kylin.common.util.MailTemplateProvider.buildMailContent(MailTemplateProvider.java:63)
        at org.apache.kylin.job.util.MailNotificationUtil.getMailContent(MailNotificationUtil.java:70)
        at org.apache.kylin.engine.mr.CubingJob.formatNotifications(CubingJob.java:251)
        at org.apache.kylin.job.execution.AbstractExecutable.notifyUserStatusChange(AbstractExecutable.java:368)
        at org.apache.kylin.job.execution.DefaultChainedExecutable.onStatusChange(DefaultChainedExecutable.java:179)
        at org.apache.kylin.engine.mr.CubingJob.onStatusChange(CubingJob.java:280)
        at org.apache.kylin.job.execution.DefaultChainedExecutable.onExecuteFinished(DefaultChainedExecutable.java:125)
        at org.apache.kylin.engine.mr.CubingJob.onExecuteFinished(CubingJob.java:276)
        at org.apache.kylin.job.execution.AbstractExecutable.onExecuteFinishedWithRetry(AbstractExecutable.java:138)
        at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:228)
        at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:113)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
        2024-04-11 13:46:35,254 ERROR [Scheduler 512464937 Job fd0b6de7-d474-47a4-9e65-e943366b7805-56] execution.AbstractExecutable:371 : error send email
        java.lang.NullPointerException
        at org.apache.kylin.shaded.com.google.common.base.Preconditions.checkNotNull(Preconditions.java:878)
        at org.apache.kylin.shaded.com.google.common.base.Joiner.toString(Joiner.java:452)
        at org.apache.kylin.shaded.com.google.common.base.Joiner.appendTo(Joiner.java:109)
        at org.apache.kylin.shaded.com.google.common.base.Joiner.appendTo(Joiner.java:152)
        at org.apache.kylin.shaded.com.google.common.base.Joiner.join(Joiner.java:195)
        at org.apache.kylin.shaded.com.google.common.base.Joiner.join(Joiner.java:185)
        at org.apache.kylin.shaded.com.google.common.base.Joiner.join(Joiner.java:203)
        at org.apache.kylin.job.util.MailNotificationUtil.getMailTitle(MailNotificationUtil.java:79)
        at org.apache.kylin.engine.mr.CubingJob.formatNotifications(CubingJob.java:252)
        at org.apache.kylin.job.execution.AbstractExecutable.notifyUserStatusChange(AbstractExecutable.java:368)
        at org.apache.kylin.job.execution.DefaultChainedExecutable.onStatusChange(DefaultChainedExecutable.java:179)
        at org.apache.kylin.engine.mr.CubingJob.onStatusChange(CubingJob.java:280)
        at org.apache.kylin.job.execution.DefaultChainedExecutable.onExecuteFinished(DefaultChainedExecutable.java:125)
        at org.apache.kylin.engine.mr.CubingJob.onExecuteFinished(CubingJob.java:276)
        at org.apache.kylin.job.execution.AbstractExecutable.onExecuteFinishedWithRetry(AbstractExecutable.java:138)
        at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:228)
        at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:113)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
        2024-04-11 13:46:35,265 INFO  [FetcherRunner 1612181237-29] threadpool.DefaultFetcherRunner:117 : Job Fetcher: 0 should running, 0 actual running, 0 stopped, 0 ready, 4 already succeed, 0 error, 1 discarded, 0 others
        2024-04-11 13:46:36,925 INFO  [FetcherRunner 1612181237-29] threadpool.DefaultFetcherRunner:117 : Job Fetcher: 0 should running, 0 actual running, 0 stopped, 0 ready, 4 already succeed, 0 error, 1 discarded, 0 others

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              Updated: