[
https://issues.apache.org/jira/browse/SPARK-45714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Satyam Raj updated SPARK-45714:
-------------------------------
Description:
h2.
When I'm trying to do the following inside the listener class, and go to the UI
to check the streaming query tab and click on Sort by Latest Batch, I get the
below error.
{code:java}
class MyListener extends StreamingQueryListener {
private val kafkaAdminClient = try {
Some(Admin.create(getKafkaProp()))
} catch {
case _: Throwable => None
}
private val registeredConsumerGroups =
kafkaAdminClient.get.listConsumerGroups().all().get()
override def onQueryProgress(event:
StreamingQueryListener.QueryProgressEvent): Unit = {
val eventName = event.progress.name
commitConsumerOffset(event.progress.sources.head.endOffset, eventName)
}
private def getKafkaProp(eventName: String = "dummy-admin"): Properties = {
val props: Properties = new Properties()
props.put("bootstrap.servers",
Configuration.configurationMap("kafka.broker"))
props.put("group.id", eventName)
props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG,
"org.apache.kafka.common.serialization.StringDeserializer")
props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG,
"org.apache.kafka.common.serialization.StringDeserializer")
props.put("security.protocol",
Configuration.configurationMap("kafka.security.protocol"))
props.put("sasl.mechanism",
Configuration.configurationMap("kafka.sasl.mechanism"))
props.put("sasl.jaas.config",
Configuration.configurationMap("kafka.sasl.jaas.config"))
props
}
private def getTopicPartitionMap(topic: String, jsonOffsets: Map[String,
Map[String, Long]]) = {
val offsets = jsonOffsets.head._2
val topicPartitionMap = new util.HashMap[TopicPartition,
OffsetAndMetadata]()
offsets.keys.foreach(partition => {
val tp = new TopicPartition(topic, partition.toInt)
val oam = new
OffsetAndMetadata(offsets(partition).asInstanceOf[Number].longValue())
topicPartitionMap.put(tp, oam)
})
topicPartitionMap
}
private def commitConsumerOffset(endOffset: String, eventName: String) = {
val jsonOffsets = mapper.readValue(endOffset, classOf[Map[String,
Map[String, Long]]])
val topicPartitionMap = getTopicPartitionMap(eventName, jsonOffsets)
if (!registeredConsumerGroups.contains(eventName)) {
print("topic consumer not created! creating")
val kafkaConsumer = new KafkaConsumer[String,
String](getKafkaProp(eventName))
kafkaConsumer.commitSync(topicPartitionMap)
kafkaConsumer.close()
} else {
print("committing cg offsets using admin")
kafkaAdminClient.get.alterConsumerGroupOffsets(eventName,
topicPartitionMap).all().get()
}
}
}{code}
h2. HTTP ERROR 500 java.lang.NullPointerException
||URI:|/StreamingQuery/active|
||STATUS:|500|
||MESSAGE:|java.lang.NullPointerException|
||SERVLET:|org.apache.spark.ui.JettyUtils$$anon$1-522a82dd|
||CAUSED BY:|java.lang.NullPointerException|
h3. Caused by:
{code:java}
java.lang.NullPointerException at
org.apache.spark.sql.streaming.ui.StreamingQueryDataSource.$anonfun$ordering$9(StreamingQueryPage.scala:258)
at
org.apache.spark.sql.streaming.ui.StreamingQueryDataSource.$anonfun$ordering$9$adapted(StreamingQueryPage.scala:258)
at scala.math.Ordering$$anon$5.compare(Ordering.scala:253) at
java.base/java.util.TimSort.binarySort(TimSort.java:296) at
java.base/java.util.TimSort.sort(TimSort.java:239) at
java.base/java.util.Arrays.sort(Arrays.java:1441) at
scala.collection.SeqLike.sorted(SeqLike.scala:659) at
scala.collection.SeqLike.sorted$(SeqLike.scala:647) at
scala.collection.AbstractSeq.sorted(Seq.scala:45) at
org.apache.spark.sql.streaming.ui.StreamingQueryDataSource.<init>(StreamingQueryPage.scala:223)
at
org.apache.spark.sql.streaming.ui.StreamingQueryPagedTable.dataSource(StreamingQueryPage.scala:149)
at org.apache.spark.ui.PagedTable.table(PagedTable.scala:101) at
org.apache.spark.ui.PagedTable.table$(PagedTable.scala:100) at
org.apache.spark.sql.streaming.ui.StreamingQueryPagedTable.table(StreamingQueryPage.scala:114)
at
org.apache.spark.sql.streaming.ui.StreamingQueryPage.queryTable(StreamingQueryPage.scala:101)
at
org.apache.spark.sql.streaming.ui.StreamingQueryPage.generateStreamingQueryTable(StreamingQueryPage.scala:60)
at
org.apache.spark.sql.streaming.ui.StreamingQueryPage.render(StreamingQueryPage.scala:38)
at org.apache.spark.ui.WebUI.$anonfun$attachPage$1(WebUI.scala:90) at
org.apache.spark.ui.JettyUtils$$anon$1.doGet(JettyUtils.scala:81) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:503) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:590) at
org.sparkproject.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) at
org.sparkproject.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
at
org.apache.spark.ui.HttpSecurityFilter.doFilter(HttpSecurityFilter.scala:95) at
org.sparkproject.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at
org.sparkproject.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at
org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter.doFilter(AmIpFilter.java:185)
at org.sparkproject.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at
org.sparkproject.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at
org.sparkproject.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
at
org.sparkproject.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
at
org.sparkproject.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
at
org.sparkproject.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
at
org.sparkproject.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
at
org.sparkproject.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
at
org.sparkproject.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
at
org.sparkproject.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at
org.sparkproject.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:763)
at
org.sparkproject.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
at
org.sparkproject.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.sparkproject.jetty.server.Server.handle(Server.java:516) at
org.sparkproject.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
at org.sparkproject.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) at
org.sparkproject.jetty.server.HttpChannel.handle(HttpChannel.java:380) at
org.sparkproject.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
at
org.sparkproject.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
at org.sparkproject.jetty.io.FillInterest.fillable(FillInterest.java:105) at
org.sparkproject.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) at
org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
at
org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
at
org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
at
org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
at
org.sparkproject.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386)
at
org.sparkproject.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
at
org.sparkproject.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
at java.base/java.lang.Thread.run(Thread.java:829)
{code}
was:
h2. HTTP ERROR 500 java.lang.NullPointerException
||URI:|/StreamingQuery/active|
||STATUS:|500|
||MESSAGE:|java.lang.NullPointerException|
||SERVLET:|org.apache.spark.ui.JettyUtils$$anon$1-522a82dd|
||CAUSED BY:|java.lang.NullPointerException|
h3. Caused by:
{code:java}
java.lang.NullPointerException at
org.apache.spark.sql.streaming.ui.StreamingQueryDataSource.$anonfun$ordering$9(StreamingQueryPage.scala:258)
at
org.apache.spark.sql.streaming.ui.StreamingQueryDataSource.$anonfun$ordering$9$adapted(StreamingQueryPage.scala:258)
at scala.math.Ordering$$anon$5.compare(Ordering.scala:253) at
java.base/java.util.TimSort.binarySort(TimSort.java:296) at
java.base/java.util.TimSort.sort(TimSort.java:239) at
java.base/java.util.Arrays.sort(Arrays.java:1441) at
scala.collection.SeqLike.sorted(SeqLike.scala:659) at
scala.collection.SeqLike.sorted$(SeqLike.scala:647) at
scala.collection.AbstractSeq.sorted(Seq.scala:45) at
org.apache.spark.sql.streaming.ui.StreamingQueryDataSource.<init>(StreamingQueryPage.scala:223)
at
org.apache.spark.sql.streaming.ui.StreamingQueryPagedTable.dataSource(StreamingQueryPage.scala:149)
at org.apache.spark.ui.PagedTable.table(PagedTable.scala:101) at
org.apache.spark.ui.PagedTable.table$(PagedTable.scala:100) at
org.apache.spark.sql.streaming.ui.StreamingQueryPagedTable.table(StreamingQueryPage.scala:114)
at
org.apache.spark.sql.streaming.ui.StreamingQueryPage.queryTable(StreamingQueryPage.scala:101)
at
org.apache.spark.sql.streaming.ui.StreamingQueryPage.generateStreamingQueryTable(StreamingQueryPage.scala:60)
at
org.apache.spark.sql.streaming.ui.StreamingQueryPage.render(StreamingQueryPage.scala:38)
at org.apache.spark.ui.WebUI.$anonfun$attachPage$1(WebUI.scala:90) at
org.apache.spark.ui.JettyUtils$$anon$1.doGet(JettyUtils.scala:81) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:503) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:590) at
org.sparkproject.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) at
org.sparkproject.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
at
org.apache.spark.ui.HttpSecurityFilter.doFilter(HttpSecurityFilter.scala:95) at
org.sparkproject.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at
org.sparkproject.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at
org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter.doFilter(AmIpFilter.java:185)
at org.sparkproject.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at
org.sparkproject.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at
org.sparkproject.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
at
org.sparkproject.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
at
org.sparkproject.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
at
org.sparkproject.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
at
org.sparkproject.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
at
org.sparkproject.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
at
org.sparkproject.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
at
org.sparkproject.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at
org.sparkproject.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:763)
at
org.sparkproject.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
at
org.sparkproject.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.sparkproject.jetty.server.Server.handle(Server.java:516) at
org.sparkproject.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
at org.sparkproject.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) at
org.sparkproject.jetty.server.HttpChannel.handle(HttpChannel.java:380) at
org.sparkproject.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
at
org.sparkproject.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
at org.sparkproject.jetty.io.FillInterest.fillable(FillInterest.java:105) at
org.sparkproject.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) at
org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
at
org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
at
org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
at
org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
at
org.sparkproject.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386)
at
org.sparkproject.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
at
org.sparkproject.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
at java.base/java.lang.Thread.run(Thread.java:829)
{code}
> Spark UI throws 500 error when StructuredStreaming query filter is selected
> ---------------------------------------------------------------------------
>
> Key: SPARK-45714
> URL: https://issues.apache.org/jira/browse/SPARK-45714
> Project: Spark
> Issue Type: Bug
> Components: Java API
> Affects Versions: 3.4.0
> Reporter: Satyam Raj
> Priority: Major
>
> h2.
> When I'm trying to do the following inside the listener class, and go to the
> UI to check the streaming query tab and click on Sort by Latest Batch, I get
> the below error.
>
> {code:java}
> class MyListener extends StreamingQueryListener {
> private val kafkaAdminClient = try {
> Some(Admin.create(getKafkaProp()))
> } catch {
> case _: Throwable => None
> }
> private val registeredConsumerGroups =
> kafkaAdminClient.get.listConsumerGroups().all().get()
> override def onQueryProgress(event:
> StreamingQueryListener.QueryProgressEvent): Unit = {
> val eventName = event.progress.name
> commitConsumerOffset(event.progress.sources.head.endOffset, eventName)
> }
> private def getKafkaProp(eventName: String = "dummy-admin"): Properties = {
> val props: Properties = new Properties()
> props.put("bootstrap.servers",
> Configuration.configurationMap("kafka.broker"))
> props.put("group.id", eventName)
> props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG,
> "org.apache.kafka.common.serialization.StringDeserializer")
> props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG,
> "org.apache.kafka.common.serialization.StringDeserializer")
> props.put("security.protocol",
> Configuration.configurationMap("kafka.security.protocol"))
> props.put("sasl.mechanism",
> Configuration.configurationMap("kafka.sasl.mechanism"))
> props.put("sasl.jaas.config",
> Configuration.configurationMap("kafka.sasl.jaas.config"))
> props
> }
> private def getTopicPartitionMap(topic: String, jsonOffsets: Map[String,
> Map[String, Long]]) = {
> val offsets = jsonOffsets.head._2
> val topicPartitionMap = new util.HashMap[TopicPartition,
> OffsetAndMetadata]()
> offsets.keys.foreach(partition => {
> val tp = new TopicPartition(topic, partition.toInt)
> val oam = new
> OffsetAndMetadata(offsets(partition).asInstanceOf[Number].longValue())
> topicPartitionMap.put(tp, oam)
> })
> topicPartitionMap
> }
> private def commitConsumerOffset(endOffset: String, eventName: String) = {
> val jsonOffsets = mapper.readValue(endOffset, classOf[Map[String,
> Map[String, Long]]])
> val topicPartitionMap = getTopicPartitionMap(eventName, jsonOffsets)
> if (!registeredConsumerGroups.contains(eventName)) {
> print("topic consumer not created! creating")
> val kafkaConsumer = new KafkaConsumer[String,
> String](getKafkaProp(eventName))
> kafkaConsumer.commitSync(topicPartitionMap)
> kafkaConsumer.close()
> } else {
> print("committing cg offsets using admin")
> kafkaAdminClient.get.alterConsumerGroupOffsets(eventName,
> topicPartitionMap).all().get()
> }
> }
> }{code}
>
>
> h2. HTTP ERROR 500 java.lang.NullPointerException
> ||URI:|/StreamingQuery/active|
> ||STATUS:|500|
> ||MESSAGE:|java.lang.NullPointerException|
> ||SERVLET:|org.apache.spark.ui.JettyUtils$$anon$1-522a82dd|
> ||CAUSED BY:|java.lang.NullPointerException|
> h3. Caused by:
>
> {code:java}
> java.lang.NullPointerException at
> org.apache.spark.sql.streaming.ui.StreamingQueryDataSource.$anonfun$ordering$9(StreamingQueryPage.scala:258)
> at
> org.apache.spark.sql.streaming.ui.StreamingQueryDataSource.$anonfun$ordering$9$adapted(StreamingQueryPage.scala:258)
> at scala.math.Ordering$$anon$5.compare(Ordering.scala:253) at
> java.base/java.util.TimSort.binarySort(TimSort.java:296) at
> java.base/java.util.TimSort.sort(TimSort.java:239) at
> java.base/java.util.Arrays.sort(Arrays.java:1441) at
> scala.collection.SeqLike.sorted(SeqLike.scala:659) at
> scala.collection.SeqLike.sorted$(SeqLike.scala:647) at
> scala.collection.AbstractSeq.sorted(Seq.scala:45) at
> org.apache.spark.sql.streaming.ui.StreamingQueryDataSource.<init>(StreamingQueryPage.scala:223)
> at
> org.apache.spark.sql.streaming.ui.StreamingQueryPagedTable.dataSource(StreamingQueryPage.scala:149)
> at org.apache.spark.ui.PagedTable.table(PagedTable.scala:101) at
> org.apache.spark.ui.PagedTable.table$(PagedTable.scala:100) at
> org.apache.spark.sql.streaming.ui.StreamingQueryPagedTable.table(StreamingQueryPage.scala:114)
> at
> org.apache.spark.sql.streaming.ui.StreamingQueryPage.queryTable(StreamingQueryPage.scala:101)
> at
> org.apache.spark.sql.streaming.ui.StreamingQueryPage.generateStreamingQueryTable(StreamingQueryPage.scala:60)
> at
> org.apache.spark.sql.streaming.ui.StreamingQueryPage.render(StreamingQueryPage.scala:38)
> at org.apache.spark.ui.WebUI.$anonfun$attachPage$1(WebUI.scala:90) at
> org.apache.spark.ui.JettyUtils$$anon$1.doGet(JettyUtils.scala:81) at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:503) at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:590) at
> org.sparkproject.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
> at
> org.sparkproject.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
> at
> org.apache.spark.ui.HttpSecurityFilter.doFilter(HttpSecurityFilter.scala:95)
> at
> org.sparkproject.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
> at
> org.sparkproject.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
> at
> org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter.doFilter(AmIpFilter.java:185)
> at
> org.sparkproject.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
> at
> org.sparkproject.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
> at
> org.sparkproject.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
> at
> org.sparkproject.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
> at
> org.sparkproject.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
> at
> org.sparkproject.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
> at
> org.sparkproject.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
> at
> org.sparkproject.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
> at
> org.sparkproject.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
> at
> org.sparkproject.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at
> org.sparkproject.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:763)
> at
> org.sparkproject.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
> at
> org.sparkproject.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
> at org.sparkproject.jetty.server.Server.handle(Server.java:516) at
> org.sparkproject.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
> at org.sparkproject.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
> at org.sparkproject.jetty.server.HttpChannel.handle(HttpChannel.java:380) at
> org.sparkproject.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
> at
> org.sparkproject.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
> at org.sparkproject.jetty.io.FillInterest.fillable(FillInterest.java:105) at
> org.sparkproject.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) at
> org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
> at
> org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
> at
> org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
> at
> org.sparkproject.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
> at
> org.sparkproject.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386)
> at
> org.sparkproject.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
> at
> org.sparkproject.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
> at java.base/java.lang.Thread.run(Thread.java:829)
>
> {code}
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