[fix][broker] Fix broker load manager class filter NPE #20350
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
|
Maybe you can use |
|
Codecov Report
@@ Coverage Diff @@
## master #20350 +/- ##
=============================================
+ Coverage 36.80% 72.92% +36.11%
- Complexity 12046 31863 +19817
=============================================
Files 1687 1864 +177
Lines 128755 138319 +9564
Branches 14002 15172 +1170
=============================================
+ Hits 47389 100867 +53478
+ Misses 75106 29448 -45658
- Partials 6260 8004 +1744
Flags with carried forward coverage won't be shown. Click here to find out more.
|
coderzc
approved these changes
May 19, 2023
heesung-sn
approved these changes
May 21, 2023
Demogorgon314
deleted the
Demogorgon314/fix-broker-load-manager-class-filter-npe
branch
poorbarcode
pushed a commit
that referenced
this pull request
May 30, 2023
PIP: #16691 ### Motivation When upgrading the pulsar version and changing the pulsar load manager to `ExtensibleLoadManagerImpl` it might cause NPE. The root cause is the old version of pulsar does not contain the `loadManagerClassName` field. ``` 2023-05-18T05:42:50,557+0000 [pulsar-io-4-1] INFO org.apache.pulsar.broker.service.ServerCnx - [/127.0.0.6:51345] connected with role=[[email protected]](mailto:[email protected]) using authMethod=token, clientVersion=Pulsar Go 0.9.0, clientProtocolVersion=18, proxyVersion=null 2023-05-18T05:42:50,558+0000 [pulsar-io-4-1] WARN org.apache.pulsar.broker.lookup.TopicLookupBase - Failed to lookup [[email protected]](mailto:[email protected]) for topic persistent://xxx with error java.lang.NullPointerException: Cannot invoke “String.equals(Object)” because the return value of “org.apache.pulsar.broker.loadbalance.extensions.data.BrokerLookupData.getLoadManagerClassName()” is null java.util.concurrent.CompletionException: java.lang.NullPointerException: Cannot invoke “String.equals(Object)” because the return value of “org.apache.pulsar.broker.loadbalance.extensions.data.BrokerLookupData.getLoadManagerClassName()” is null at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315) ~[?:?] at java.util.concurrent.CompletableFuture.uniComposeStage(CompletableFuture.java:1194) ~[?:?] at java.util.concurrent.CompletableFuture.thenCompose(CompletableFuture.java:2309) ~[?:?] at org.apache.pulsar.broker.loadbalance.extensions.ExtensibleLoadManagerImpl.selectAsync(ExtensibleLoadManagerImpl.java:385) ~[io.streamnative-pulsar-broker-3.0.0.1.jar:3.0.0.1] at org.apache.pulsar.broker.loadbalance.extensions.ExtensibleLoadManagerImpl.lambda$assign$6(ExtensibleLoadManagerImpl.java:336) ~[io.streamnative-pulsar-broker-3.0.0.1.jar:3.0.0.1] at java.util.concurrent.CompletableFuture.uniComposeStage(CompletableFuture.java:1187) ~[?:?] at java.util.concurrent.CompletableFuture.thenCompose(CompletableFuture.java:2309) ~[?:?] at org.apache.pulsar.broker.loadbalance.extensions.ExtensibleLoadManagerImpl.lambda$assign$10(ExtensibleLoadManagerImpl.java:333) ~[io.streamnative-pulsar-broker-3.0.0.1.jar:3.0.0.1] at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap$Section.put(ConcurrentOpenHashMap.java:409) ~[io.streamnative-pulsar-common-3.0.0.1.jar:3.0.0.1] at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap.computeIfAbsent(ConcurrentOpenHashMap.java:243) ~[io.streamnative-pulsar-common-3.0.0.1.jar:3.0.0.1] at org.apache.pulsar.broker.loadbalance.extensions.ExtensibleLoadManagerImpl.assign(ExtensibleLoadManagerImpl.java:327) ~[io.streamnative-pulsar-broker-3.0.0.1.jar:3.0.0.1] at org.apache.pulsar.broker.loadbalance.extensions.ExtensibleLoadManagerWrapper.findBrokerServiceUrl(ExtensibleLoadManagerWrapper.java:66) ~[io.streamnative-pulsar-broker-3.0.0.1.jar:3.0.0.1] at org.apache.pulsar.broker.namespace.NamespaceService.lambda$getBrokerServiceUrlAsync$0(NamespaceService.java:191) ~[io.streamnative-pulsar-broker-3.0.0.1.jar:3.0.0.1] ``` ### Modifications * Add null check when using`getLoadManagerClassName`. * Add test to cover this case. * Add `RedirectManager` unit test. (cherry picked from commit b7f0004)
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
PIP: #16691
Motivation
When upgrading the pulsar version and changing the pulsar load manager to
ExtensibleLoadManagerImplit might cause NPE. The root cause is the old version of pulsar does not contain theloadManagerClassNamefield.Modifications
getLoadManagerClassName.RedirectManagerunit test.Documentation
docdoc-requireddoc-not-neededdoc-complete