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https://issues.apache.org/jira/browse/BEAM-7427?focusedWorklogId=272649&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-272649
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ASF GitHub Bot logged work on BEAM-7427:
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Author: ASF GitHub Bot
Created on: 05/Jul/19 15:56
Start Date: 05/Jul/19 15:56
Worklog Time Spent: 10m
Work Description: iemejia commented on issue #8757: [BEAM-7427] Fix
JmsCheckpointMark Avro Encoding
URL: https://github.com/apache/beam/pull/8757#issuecomment-508799343
@zouabimourad just for some extra context my comment on testing
encoding/decoding comes from the fact that `CheckpointMark`s should be able to
be converted from/to bytes. However the current implementation is trying to do
that for a list of not yet processed `javax.jms.Message`s which is probably not
a good idea because we cannot guarantee that those will be correctly serialized
with or without Avro. So probably a better approach (and if I understand
correctly is what @jbonofre proposes) is to contain a list of `JmsRecord` in
`JmsCheckpointMark` because we know those are `Serializable`.
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Issue Time Tracking
-------------------
Worklog Id: (was: 272649)
Time Spent: 1.5h (was: 1h 20m)
> JmsCheckpointMark Avro Serialisation issue with UnboundedSource
> ---------------------------------------------------------------
>
> Key: BEAM-7427
> URL: https://issues.apache.org/jira/browse/BEAM-7427
> Project: Beam
> Issue Type: Bug
> Components: io-java-jms
> Affects Versions: 2.12.0
> Environment: Message Broker : solace
> JMS Client (Over AMQP) : "org.apache.qpid:qpid-jms-client:0.42.0
> Reporter: Mourad
> Assignee: Mourad
> Priority: Major
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> I get the following exception when reading from unbounded JMS Source:
>
> {code:java}
> Caused by: org.apache.avro.SchemaParseException: Illegal character in: this$0
> at org.apache.avro.Schema.validateName(Schema.java:1151)
> at org.apache.avro.Schema.access$200(Schema.java:81)
> at org.apache.avro.Schema$Field.<init>(Schema.java:403)
> at org.apache.avro.Schema$Field.<init>(Schema.java:396)
> at org.apache.avro.reflect.ReflectData.createSchema(ReflectData.java:622)
> at org.apache.avro.reflect.ReflectData.createFieldSchema(ReflectData.java:740)
> at org.apache.avro.reflect.ReflectData.createSchema(ReflectData.java:604)
> at org.apache.avro.specific.SpecificData$2.load(SpecificData.java:218)
> at org.apache.avro.specific.SpecificData$2.load(SpecificData.java:215)
> at
> avro.shaded.com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3568)
> at
> avro.shaded.com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2350)
> at
> avro.shaded.com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2313)
> at
> avro.shaded.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2228)
> {code}
>
> The exception is thrown by Avro when introspecting {{JmsCheckpointMark}} to
> generate schema.
> JmsIO config :
>
> {code:java}
> PCollection<DFAMessage> messages = pipeline.apply("read messages from the
> events broker", JmsIO.<DFAMessage>readMessage()
> .withConnectionFactory(jmsConnectionFactory) .withTopic(options.getTopic())
> .withMessageMapper(new DFAMessageMapper())
> .withCoder(AvroCoder.of(DFAMessage.class)));
> {code}
>
>
>
>
>
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