The following test failed in the JDK14 CI:

runtime/cds/appcds/FreeUnusedMetadata.java

Here's a snippet from the log file:

----------System.out:(13/2268)*----------
patchJarForDynamicDump: classpath = T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_appcds_dynamic\\classes\\3\\runtime\\cds\\appcds\\FreeUnusedMetadata.d\\FreeUnusedMetadata.jar
firstJar = T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_appcds_dynamic\\classes\\3\\runtime\\cds\\appcds\\FreeUnusedMetadata.d\\FreeUnusedMetadata.jar Modified
Command line: [c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-14+16-625\\windows-x64-debug.jdk\\jdk-14\\fastdebug\\bin\\java.exe -cp T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_appcds_dynamic\\classes\\3\\runtime\\cds\\appcds\\FreeUnusedMetadata.d;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-14+16-625\\src.full\\open\\test\\hotspot\\jtreg\\runtime\\cds\\appcds;T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_appcds_dynamic\\classes\\3\\test\\lib;C:\\ade\\mesos\\work_dir\\jib-master\\install\\java\\re\\jtreg\\4.2\\promoted\\all\\b14\\bundles\\jtreg_bin-4.2.zip\\jtreg\\lib\\javatest.jar;C:\\ade\\mesos\\work_dir\\jib-master\\install\\java\\re\\jtreg\\4.2\\promoted\\all\\b14\\bundles\\jtreg_bin-4.2.zip\\jtreg\\lib\\jtreg.jar -XX:MaxRAMPercentage=6 -Dtest.dynamic.cds.archive=true -cp T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_appcds_dynamic\\classes\\3\\runtime\\cds\\appcds\\FreeUnusedMetadata.d\\FreeUnusedMetadata.jar -Xshare:on -XX:ArchiveClassesAtExit=T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_appcds_dynamic\\scratch\\3\\appcds-20h34m09s748.jsa -Xlog:cds -Xlog:cds+dynamic cdsutils.DynamicDumpHelper T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_appcds_dynamic\\classes\\3\\runtime\\cds\\appcds\\FreeUnusedMetadata.d\\FreeUnusedMetadata-test.classlist ]
[2019-09-19T20:34:09.857800900Z] Gathering output for process 2612
[ELAPSED: 248 ms]
[logging stdout to FreeUnusedMetadata-0000-dump.stdout]
[logging stderr to FreeUnusedMetadata-0000-dump.stderr]
[STDERR]
An error has occurred while processing the shared archive file.
Unable to map MiscData shared space at required address.

[2019-09-19T20:34:10.043892800Z] Waiting for completion for process 2612
[2019-09-19T20:34:10.059518300Z] Waiting for completion finished for process 2612
----------System.err:(23/1159)----------
 stdout: [Error occurred during initialization of VM
Unable to use shared archive.
];
 stderr: [An error has occurred while processing the shared archive file.
Unable to map MiscData shared space at required address.
]
 exitValue = 1

java.lang.RuntimeException: 'Buffer-space to target-space delta' missing from stdout/stderr

at jdk.test.lib.process.OutputAnalyzer.shouldContain(OutputAnalyzer.java:187)
at jdk.test.lib.cds.CDSTestUtils.checkDump(CDSTestUtils.java:276)
at FreeUnusedMetadata.main(FreeUnusedMetadata.java:87)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.base/java.lang.Thread.run(Thread.java:830)

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: 'Buffer-space to target-space delta' missing from stdout/stderr


test result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: 'Buffer-space to target-space delta' missing from stdout/stderr