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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/02/12 09:45:34 UTC
[GitHub] [flink] shuai-xu opened a new pull request #11068: [FLINK-15964]
[cep] fix getting event of previous stage in notFollowedBy may throw
exception bug
shuai-xu opened a new pull request #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068
## What is the purpose of the change
This pull request fixes the bug that when getting the events in previous stage in notFollowedBy, it may throw exceptions.
For example:
```
Pattern.begin("a").notFollowedBy("b").where(new IterativeCondition<Event>() {
@Override
public boolean filter(Event value, Context<Event> ctx) throws Exception {
return value.getName().equals(ctx.getEventsForPattern("a").iterator().next().getName());
}
}).followedBy(""c);
```
will throw exception at running.
## Verifying this change
This change added tests and can be verified as follows:
- *Added tests in NFAITCase*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
- The S3 file system connector: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (not applicable)
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[GitHub] [flink] flinkbot edited a comment on issue #11068: [FLINK-15964]
[cep] fix getting event of previous stage in notFollowedBy may throw
exception bug
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#issuecomment-585131213
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## CI report:
* dcd3398c328d6c4d73279291f0872adc05af7dd8 Travis: [FAILURE](https://travis-ci.com/flink-ci/flink/builds/148547974) Azure: [SUCCESS](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=5095)
* f09693d06790d37b7e0bf0cb6109d91775d69f02 Travis: [FAILURE](https://travis-ci.com/flink-ci/flink/builds/149250326) Azure: [FAILURE](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=5231)
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[GitHub] [flink] dianfu edited a comment on issue #11068: [FLINK-15964]
[cep] fix getting event of previous stage in notFollowedBy may throw
exception bug
Posted by GitBox <gi...@apache.org>.
dianfu edited a comment on issue #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#issuecomment-587340965
@shuai-xu Thanks for the update. LGTM.
cc @dawidwys Would you like to take a look at this PR?
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[GitHub] [flink] flinkbot commented on issue #11068: [FLINK-15964] [cep] fix
getting event of previous stage in notFollowedBy may throw exception bug
Posted by GitBox <gi...@apache.org>.
flinkbot commented on issue #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#issuecomment-585131213
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## CI report:
* dcd3398c328d6c4d73279291f0872adc05af7dd8 UNKNOWN
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[GitHub] [flink] flinkbot edited a comment on issue #11068: [FLINK-15964]
[cep] fix getting event of previous stage in notFollowedBy may throw
exception bug
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#issuecomment-585131213
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## CI report:
* dcd3398c328d6c4d73279291f0872adc05af7dd8 Travis: [FAILURE](https://travis-ci.com/flink-ci/flink/builds/148547974) Azure: [SUCCESS](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=5095)
* f09693d06790d37b7e0bf0cb6109d91775d69f02 UNKNOWN
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[GitHub] [flink] flinkbot commented on issue #11068: [FLINK-15964] [cep] fix
getting event of previous stage in notFollowedBy may throw exception bug
Posted by GitBox <gi...@apache.org>.
flinkbot commented on issue #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#issuecomment-585121436
Thanks a lot for your contribution to the Apache Flink project. I'm the @flinkbot. I help the community
to review your pull request. We will use this comment to track the progress of the review.
## Automated Checks
Last check on commit dcd3398c328d6c4d73279291f0872adc05af7dd8 (Wed Feb 12 09:48:28 UTC 2020)
**Warnings:**
* No documentation files were touched! Remember to keep the Flink docs up to date!
<sub>Mention the bot in a comment to re-run the automated checks.</sub>
## Review Progress
* ❓ 1. The [description] looks good.
* ❓ 2. There is [consensus] that the contribution should go into to Flink.
* ❓ 3. Needs [attention] from.
* ❓ 4. The change fits into the overall [architecture].
* ❓ 5. Overall code [quality] is good.
Please see the [Pull Request Review Guide](https://flink.apache.org/contributing/reviewing-prs.html) for a full explanation of the review process.<details>
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[GitHub] [flink] shuai-xu commented on a change in pull request #11068:
[FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy
may throw exception bug
Posted by GitBox <gi...@apache.org>.
shuai-xu commented on a change in pull request #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#discussion_r380015480
##########
File path: flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/NFAITCase.java
##########
@@ -2844,4 +2845,35 @@ public void testSharedBufferClearing() throws Exception {
Mockito.verify(accessor, Mockito.times(1)).advanceTime(2);
}
}
+
+ /**
+ * Test that can access the value of the previous stage directly in notFollowedBy.
+ *
Review comment:
OK
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[GitHub] [flink] flinkbot edited a comment on issue #11068: [FLINK-15964]
[cep] fix getting event of previous stage in notFollowedBy may throw
exception bug
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#issuecomment-585131213
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## CI report:
* f09693d06790d37b7e0bf0cb6109d91775d69f02 Travis: [FAILURE](https://travis-ci.com/flink-ci/flink/builds/149250326) Azure: [FAILURE](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=5231)
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[GitHub] [flink] flinkbot edited a comment on issue #11068: [FLINK-15964]
[cep] fix getting event of previous stage in notFollowedBy may throw
exception bug
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#issuecomment-585131213
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## CI report:
* dcd3398c328d6c4d73279291f0872adc05af7dd8 Travis: [FAILURE](https://travis-ci.com/flink-ci/flink/builds/148547974) Azure: [PENDING](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=5095)
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[GitHub] [flink] dianfu commented on a change in pull request #11068:
[FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy
may throw exception bug
Posted by GitBox <gi...@apache.org>.
dianfu commented on a change in pull request #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#discussion_r379826440
##########
File path: flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/NFAITCase.java
##########
@@ -2844,4 +2845,35 @@ public void testSharedBufferClearing() throws Exception {
Mockito.verify(accessor, Mockito.times(1)).advanceTime(2);
}
}
+
+ /**
+ * Test that can access the value of the previous stage directly in notFollowedBy.
+ *
+ * @see <a href="https://issues.apache.org/jira/browse/FLINK-15964">FLINK-15964</a>
+ * @throws Exception
+ */
+ @Test
+ public void testAccessPreviousStageInNotFollowedBy() throws Exception {
Review comment:
What about move this test case to NotPatternITCase which is dedicated for not pattern?
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[GitHub] [flink] shuai-xu commented on a change in pull request #11068:
[FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy
may throw exception bug
Posted by GitBox <gi...@apache.org>.
shuai-xu commented on a change in pull request #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#discussion_r380015457
##########
File path: flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/NFAITCase.java
##########
@@ -2844,4 +2845,35 @@ public void testSharedBufferClearing() throws Exception {
Mockito.verify(accessor, Mockito.times(1)).advanceTime(2);
}
}
+
+ /**
+ * Test that can access the value of the previous stage directly in notFollowedBy.
+ *
+ * @see <a href="https://issues.apache.org/jira/browse/FLINK-15964">FLINK-15964</a>
+ * @throws Exception
+ */
+ @Test
+ public void testAccessPreviousStageInNotFollowedBy() throws Exception {
Review comment:
OK
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[GitHub] [flink] dianfu commented on a change in pull request #11068:
[FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy
may throw exception bug
Posted by GitBox <gi...@apache.org>.
dianfu commented on a change in pull request #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#discussion_r379826374
##########
File path: flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/NFAITCase.java
##########
@@ -2844,4 +2845,35 @@ public void testSharedBufferClearing() throws Exception {
Mockito.verify(accessor, Mockito.times(1)).advanceTime(2);
}
}
+
+ /**
+ * Test that can access the value of the previous stage directly in notFollowedBy.
+ *
Review comment:
The Java doc could be removed as I think the method name already describes clearly what it does. What do you think?
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[GitHub] [flink] flinkbot edited a comment on issue #11068: [FLINK-15964]
[cep] fix getting event of previous stage in notFollowedBy may throw
exception bug
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#issuecomment-585131213
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## CI report:
* dcd3398c328d6c4d73279291f0872adc05af7dd8 Travis: [FAILURE](https://travis-ci.com/flink-ci/flink/builds/148547974) Azure: [SUCCESS](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=5095)
* f09693d06790d37b7e0bf0cb6109d91775d69f02 Travis: [FAILURE](https://travis-ci.com/flink-ci/flink/builds/149250326) Azure: [FAILURE](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=5231)
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[GitHub] [flink] dianfu commented on issue #11068: [FLINK-15964] [cep] fix
getting event of previous stage in notFollowedBy may throw exception bug
Posted by GitBox <gi...@apache.org>.
dianfu commented on issue #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#issuecomment-587340965
@shuai-xu Thanks for the update. LGTM.
@dawidwys Would you like to take a look at this PR?
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[GitHub] [flink] flinkbot edited a comment on issue #11068: [FLINK-15964]
[cep] fix getting event of previous stage in notFollowedBy may throw
exception bug
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11068: [FLINK-15964] [cep] fix getting event of previous stage in notFollowedBy may throw exception bug
URL: https://github.com/apache/flink/pull/11068#issuecomment-585131213
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Hash:dcd3398c328d6c4d73279291f0872adc05af7dd8 Status:SUCCESS URL:https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=5095 TriggerType:PUSH TriggerID:dcd3398c328d6c4d73279291f0872adc05af7dd8
Hash:dcd3398c328d6c4d73279291f0872adc05af7dd8 Status:FAILURE URL:https://travis-ci.com/flink-ci/flink/builds/148547974 TriggerType:PUSH TriggerID:dcd3398c328d6c4d73279291f0872adc05af7dd8
-->
## CI report:
* dcd3398c328d6c4d73279291f0872adc05af7dd8 Travis: [FAILURE](https://travis-ci.com/flink-ci/flink/builds/148547974) Azure: [SUCCESS](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=5095)
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