https://bz.apache.org/bugzilla/show_bug.cgi?id=66552
Bug ID: 66552
Summary: Depend task does not handle invokeDynamic constant
pool entries - java.lang.ClassFormatError: Invalid
Constant Pool entry Type 17
Product: Ant
Version: 1.10.8
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Optional Tasks
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Seems that the depend task does not handle classfiles with the invokeDynamic
properly:
java.lang.ClassFormatError: Invalid Constant Pool entry Type 17
at
org.apache.tools.ant.taskdefs.optional.depend.constantpool.ConstantPoolEntry.readEntry(ConstantPoolEntry.java:179)
at
org.apache.tools.ant.taskdefs.optional.depend.constantpool.ConstantPool.read(ConstantPool.java:67)
at
org.apache.tools.ant.taskdefs.optional.depend.ClassFile.read(ClassFile.java:73)
at
org.apache.tools.ant.taskdefs.optional.depend.AntAnalyzer.determineDependencies(AntAnalyzer.java:78)
at
org.apache.tools.ant.util.depend.AbstractAnalyzer.getClassDependencies(AbstractAnalyzer.java:105)
at
org.apache.tools.ant.taskdefs.optional.depend.Depend.determineDependencies(Depend.java:325)
at
org.apache.tools.ant.taskdefs.optional.depend.Depend.execute(Depend.java:647)
ant -version
Apache Ant(TM) version 1.10.8 compiled on May 10 2020
java -version
openjdk version "17.0.6" 2023-01-17 LTS
OpenJDK Runtime Environment (build 17.0.6+10-LTS)
OpenJDK 64-Bit Server VM (build 17.0.6+10-LTS, mixed mode, sharing)
A quick view in the latest ConstantPoolEntry.java showed, that there is no
constant for "Entry Type 17" is defined, so a classfile delivering the 17 ends
in the default block fireing the above Exception.
The constant seems to be defined since JDK11, but the Exception are not shown
building with same Ant and JDK11.
https://docs.oracle.com/javase/specs/jvms/se14/html/jvms-4.html#jvms-4.4
Seems JDK17 produces class files using that constants.
I have currently no isolated code/script to reproduce.
Found an similar issue, but with slight different constant in the bug database.
https://bz.apache.org/bugzilla/show_bug.cgi?id=54090
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