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  1. Debezium
  2. DBZ-1987

Error instantiating snitch class 'org.apache.cassandra.locator.PropertyFileSnitch'

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Details

    • Bug
    • Resolution: Unresolved
    • Major
    • Backlog
    • 1.1.0.Final
    • cassandra-connector
    • None

    Description

      When Cassandra Cluster is configured to use PropertyFileSnitch, dbz connector is unable to start and end up with the following exception:

      Exception in thread "main" org.apache.cassandra.exceptions.ConfigurationException: Error instantiating snitch class 'org.apache.cassandra.locator.PropertyFileSnitch'.
      at org.apache.cassandra.utils.FBUtilities.construct(FBUtilities.java:596)
      at org.apache.cassandra.utils.FBUtilities.construct(FBUtilities.java:574)
      at org.apache.cassandra.config.DatabaseDescriptor.createEndpointSnitch(DatabaseDescriptor.java:1045)
      at org.apache.cassandra.config.DatabaseDescriptor.applySnitch(DatabaseDescriptor.java:969)
      at org.apache.cassandra.config.DatabaseDescriptor.toolInitialization(DatabaseDescriptor.java:192)
      at org.apache.cassandra.config.DatabaseDescriptor.toolInitialization(DatabaseDescriptor.java:157)
      at io.debezium.connector.cassandra.CassandraConnectorContext.loadDdlFromDisk(CassandraConnectorContext.java:64)
      at io.debezium.connector.cassandra.CassandraConnectorContext.<init>(CassandraConnectorContext.java:36)
      at io.debezium.connector.cassandra.CassandraConnectorTask.run(CassandraConnectorTask.java:72)
      at io.debezium.connector.cassandra.CassandraConnectorTask.main(CassandraConnectorTask.java:61)
      Caused by: org.apache.cassandra.exceptions.ConfigurationException: Unable to read cassandra-topology.properties
      at org.apache.cassandra.locator.PropertyFileSnitch.reloadConfiguration(PropertyFileSnitch.java:153)
      at org.apache.cassandra.locator.PropertyFileSnitch.<init>(PropertyFileSnitch.java:70)
      at org.apache.cassandra.locator.PropertyFileSnitch.<init>(PropertyFileSnitch.java:65)
      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
      at java.lang.Class.newInstance(Class.java:442)
      at org.apache.cassandra.utils.FBUtilities.construct(FBUtilities.java:581)
      ... 9 more
      Caused by: java.lang.NullPointerException
      at java.util.Properties$LineReader.readLine(Properties.java:434)
      at java.util.Properties.load0(Properties.java:353)
      at java.util.Properties.load(Properties.java:341)
      at org.apache.cassandra.locator.PropertyFileSnitch.reloadConfiguration(PropertyFileSnitch.java:149)
      ... 17 more

      According to the message

      " Unable to read cassandra-topology.properties"

      , It seems like dbz can't find the config file which should be under /etc/cassandra/cassandra-topology.properties

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            Unassigned Unassigned
            ahmedjami Ahmed Eljami (Inactive)
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            Dates

              Created:
              Updated: