The following test failed in the JDK26 CI:

jdk/javadoc/doccheck/checks/jdkCheckLinks.java

Here's a snippet from the log file:

#section:main
----------messages:(7/292)----------
command: main -Ddoccheck.checks=links DocCheck
reason: User specified action: run main/othervm -Ddoccheck.checks=links DocCheck
started: Fri Jun 20 21:39:13 UTC 2025
Mode: othervm [/othervm specified]
Process id: 1883113
finished: Fri Jun 20 21:39:25 UTC 2025
elapsed time (seconds): 12.036
----------configuration:(0/0)----------
----------System.out:(0/0)----------
----------System.err:(35/1930)----------
test: test
docs/specs/rmi/index.html:178: id not found: docs/specs/rmi/protocol.html#rmis-multiplexing-protocol

Link Checker Report
Checked 10857 files.
Found 1266338 references to 100404 anchors in 10857 files and 153 other URIs.
     1 missing ids
Exception running test test: java.lang.Exception: One or more HTML checkers failed: [java.lang.RuntimeException: LinkChecker encountered errors; see log above.]
java.lang.Exception: One or more HTML checkers failed: [java.lang.RuntimeException: LinkChecker encountered errors; see log above.]
at DocCheck.runCheckersSequentially(DocCheck.java:194)
at DocCheck.test(DocCheck.java:179)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at toolbox.TestRunner.runTests(TestRunner.java:91)
at toolbox.TestRunner.runTests(TestRunner.java:73)
at DocCheck.main(DocCheck.java:98)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1474)

1 errors
java.lang.Exception: 1 errors found
at toolbox.TestRunner.runTests(TestRunner.java:119)
at toolbox.TestRunner.runTests(TestRunner.java:73)
at DocCheck.main(DocCheck.java:98)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1474)

JavaTest Message: Test threw exception: java.lang.Exception: 1 errors found
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.Exception: 1 errors found
----------rerun:(39/10118)*----------