Force a StackOverflowException in a test, and observe:

   VM error stream:
     Exception in thread "main" java.io.UTFDataFormatException: encoded string (java.lan...va:49) too long: 167966 bytes
         at java.base/java.io.DataOutputStream.writeUTF(DataOutputStream.java:368)
         at java.base/java.io.DataOutputStream.writeUTF(DataOutputStream.java:332)
         at org.openjdk.jcstress.infra.collectors.TestResult.write(TestResult.java:95)
         at org.openjdk.jcstress.link.BinaryLinkClient.doneResult(BinaryLinkClient.java:73)
         at org.openjdk.jcstress.ForkedMain.main(ForkedMain.java:93)

There is a limitation in DataOutputStream that does not allow us to write Strings larger than 64K.