SAILOKESH DIVI created CAMEL-15320:
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Summary: grpc errors on camel-google-pubsub with apache camel
3.2.0 or higher
Key: CAMEL-15320
URL: https://issues.apache.org/jira/browse/CAMEL-15320
Project: Camel
Issue Type: Bug
Components: camel-google-pubsub
Affects Versions: 3.2.0
Reporter: SAILOKESH DIVI
1) The current camel examples utilize GooglePubsubConnectionFactory to connect
to pubsub till 3.1.0
[https://github.com/apache/camel/blob/camel-2.25.2/examples/camel-example-google-pubsub/src/main/java/org/apache/camel/example/google/pubsub/PubsubUtil.java#L36]
This has been removed from camel 3.2 and above and camel can't connect to
pubsub with grpc errors
WARNING: [Channel<1>:
(<topicName>?maxMessagesPerPoll=10&concurrentConsumers=1)] Failed to resolve
name. status=Status{code=UNAVAILABLE, description=Unable to resolve host
<topicName>, cause=java.lang.RuntimeException: java.net.UnknownHostException:
<topicName>: Name or service not known at
io.grpc.internal.DnsNameResolver.resolveAll(DnsNameResolver.java:436) at
io.grpc.internal.DnsNameResolver$Resolve.resolveInternal(DnsNameResolver.java:272)
at io.grpc.internal.DnsNameResolver$Resolve.run(DnsNameResolver.java:228) at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748) Caused by:
java.net.UnknownHostException: <topicName>: Name or service not known at
java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method) at
java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:929) at
java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1324) at
java.net.InetAddress.getAllByName0(InetAddress.java:1277) at
java.net.InetAddress.getAllByName(InetAddress.java:1193) at
java.net.InetAddress.getAllByName(InetAddress.java:1127) at
io.grpc.internal.DnsNameResolver$JdkAddressResolver.resolveAddress(DnsNameResolver.java:646)
at io.grpc.internal.DnsNameResolver.resolveAll(DnsNameResolver.java:404) ... 5
more
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