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Type: Bug
Resolution: Done
Priority: Major
Fix Version/s: 15.1.0.Dev04
Affects Version/s: None
Component/s: Server, Tracing
Labels:
None

Git Pull Request:
https://github.com/infinispan/infinispan/pull/12952

While trying out tracing enable/disable functionality over Console (using latest server image with main tag and console main branch), I have faced the following 2 issue:

1) There is cache `people` with following configuration:

    <distributed-cache name="people" statistics="true">
      <transaction mode="NON_XA"/>
      <encoding media-type="application/x-protostream"/>
    </distributed-cache>

When trying to add tracing categories in "Manage tracing" page, I am getting error message in popup window (see screenshot) , even though there is no exception in the logs. After that it is not possible to access people cache over console (REST call returns 500 Internal error) and I am getting exception in the logs:

2024-09-26 08:59:15,447 ERROR [o.i.r.RestRequestHandler] ISPN012005: An error occurred while responding to the client java.lang.NullPointerException
	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
	at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
	at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1939)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)
	at org.infinispan.commons.configuration.attributes.AttributeSerializer.lambda$static$4(AttributeSerializer.java:32)
	at org.infinispan.commons.configuration.attributes.Attribute.write(Attribute.java:309)
	at org.infinispan.commons.configuration.attributes.AttributeSet.write(AttributeSet.java:310)
	at org.infinispan.commons.configuration.attributes.AttributeSet.write(AttributeSet.java:266)
	at org.infinispan.commons.configuration.attributes.AttributeSet.write(AttributeSet.java:277)
	at org.infinispan.configuration.serializing.CoreConfigurationSerializer.writeTracing(CoreConfigurationSerializer.java:765)
	at org.infinispan.configuration.serializing.CoreConfigurationSerializer.writeCommonCacheAttributesElements(CoreConfigurationSerializer.java:643)
	at org.infinispan.configuration.serializing.CoreConfigurationSerializer.writeDistributedCache(CoreConfigurationSerializer.java:454)
	at org.infinispan.configuration.serializing.CoreConfigurationSerializer.writeCache(CoreConfigurationSerializer.java:292)
	at org.infinispan.configuration.parsing.ParserRegistry.serialize(ParserRegistry.java:343)
	at org.infinispan.rest.resources.CacheResourceV2.getCacheConfig(CacheResourceV2.java:1009)
	at org.infinispan.security.Security.doAs(Security.java:114)
	at org.infinispan.rest.framework.impl.RestDispatcherImpl.dispatch(RestDispatcherImpl.java:83)
	at org.infinispan.rest.RestRequestHandler.handleRestRequest(RestRequestHandler.java:208)
	at org.infinispan.rest.RestRequestHandler.lambda$channelRead0$1(RestRequestHandler.java:187)
	at java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:863)
	at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:841)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
	at java.base/java.util.concurrent.CompletableFuture.postFire(CompletableFuture.java:614)
	at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:844)
	at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:482)
	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:173)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:166)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:405)
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at java.base/java.lang.Thread.run(Thread.java:1583)

2) When the cache is secured, e.g.

<?xml version="1.0"?>
<distributed-cache name="a-rbac-test-cache" mode="SYNC" statistics="true">
	<encoding media-type="application/x-protostream"/>
	<memory storage="HEAP" max-size="1.5GB"/>
	<persistence passivation="false">
		<file-store>
			<data path="data"/>
			<index path="index"/>
		</file-store>
	</persistence>
	<indexing enabled="true" startup-mode="REINDEX">
		<index-reader/>
		<indexed-entities>
			<indexed-entity>org.infinispan.Car</indexed-entity>
		</indexed-entities>
	</indexing>
	<security>
		<authorization enabled="true" roles="application admin deployer"/>
	</security>
</distributed-cache>