com.liferay.portal.kernel.scheduler.SchedulerException: Unable to start scheduler

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Update Tomcat container adapters to 1.0.0.CR8 or further. If that doesn't work, 0D0A3C21 in ASCII is <!, first characters in a HTML file, so, check if you're not reading a different file or if there's an issue with your deserialization.

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If you're using Liferay, check the steps in the last message on how to fix it: https://goo.gl/feXWKU

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Unable to start scheduler
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com.liferay.portal.kernel.scheduler.SchedulerException: Unable to start scheduler
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:801)
at java.io.ObjectInputStream.(ObjectInputStream.java:298)
at org.quartz.impl.jdbcjobstore.PostgreSQLDelegate.getObjectFromBlob(PostgreSQLDelegate.java:99)
at org.quartz.impl.jdbcjobstore.StdJDBCDelegate.selectJobDetail(StdJDBCDelegate.java:904)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.storeTrigger(JobStoreSupport.java:1197)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.doUpdateOfMisfiredTrigger(JobStoreSupport.java:1009)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.recoverMisfiredJobs(JobStoreSupport.java:953)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.recoverJobs(JobStoreSupport.java:830)
at org.quartz.impl.jdbcjobstore.JobStoreSupport$2.execute(JobStoreSupport.java:802)
at org.quartz.impl.jdbcjobstore.JobStoreSupport$41.execute(JobStoreSupport.java:3708)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.executeInNonManagedTXLock(JobStoreSupport.java:3742)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.executeInNonManagedTXLock(JobStoreSupport.java:3704)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.recoverJobs(JobStoreSupport.java:798)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.schedulerStarted(JobStoreSupport.java:621)
at org.quartz.core.QuartzScheduler.start(QuartzScheduler.java:466)
at org.quartz.impl.StdScheduler.start(StdScheduler.java:143)
at com.liferay.portal.scheduler.quartz.QuartzSchedulerEngineImpl.start(QuartzSchedulerEngineImpl.java:273)
at com.liferay.portal.scheduler.messaging.SchedulerMessageListener.doReceive(SchedulerMessageListener.java:85)
at com.liferay.portal.kernel.messaging.InvokerMessageListener.receive(InvokerMessageListener.java:63)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)

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