[FLINK-10388] RestClientTest sometimes fails with AssertionError

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Cannot Reproduce
• Component/s: Runtime / Web Frontend
• Labels: stale-minor
• Assignee: Unassigned
• Reporter: Ted Yu
• Created: 21/Sep/18 17:45
• Updated: 27/Apr/21 18:08
• Resolved: 14/Apr/21 23:11

Description

Running the test on Linux I got:

testConnectionTimeout(org.apache.flink.runtime.rest.RestClientTest)  Time elapsed: 1.918 sec  <<< FAILURE!
java.lang.AssertionError:
Expected: an instance of org.apache.flink.shaded.netty4.io.netty.channel.ConnectTimeoutException
     but: <org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AnnotatedSocketException: Network is unreachable: /10.255.255.1:80> is a org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AnnotatedSocketException
  at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
  at org.junit.Assert.assertThat(Assert.java:956)
  at org.junit.Assert.assertThat(Assert.java:923)
  at org.apache.flink.runtime.rest.RestClientTest.testConnectionTimeout(RestClientTest.java:69)