We noticed that with certain jar file input, jdeps runs into the following exception, this happens with jdk11, 17 and 20.

C:\jdk-11.0.16.1\bin\jdeps.exe --multi-release 11 --module-path . --inverse --package com.sap.nw.performance.supa.client test.jar

Inverse transitive dependences matching packages [com.sap.nw.performance.supa.client]
Exception in thread "main" java.util.NoSuchElementException: No value present
        at java.base/java.util.Optional.get(Optional.java:148)
        at jdk.jdeps/com.sun.tools.jdeps.InverseDepsAnalyzer.lambda$inverseDependences$2(InverseDepsAnalyzer.java:150)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
        at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
        at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
        at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
        at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
        at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)
        at jdk.jdeps/com.sun.tools.jdeps.InverseDepsAnalyzer.lambda$inverseDependences$3(InverseDepsAnalyzer.java:150)
        at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
        at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
        at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658)
        at jdk.jdeps/com.sun.tools.jdeps.InverseDepsAnalyzer.inverseDependences(InverseDepsAnalyzer.java:145)
        at jdk.jdeps/com.sun.tools.jdeps.JdepsTask$InverseAnalyzeDeps.run(JdepsTask.java:860)
        at jdk.jdeps/com.sun.tools.jdeps.JdepsTask.run(JdepsTask.java:574)
        at jdk.jdeps/com.sun.tools.jdeps.JdepsTask.run(JdepsTask.java:533)
        at jdk.jdeps/com.sun.tools.jdeps.Main.main(Main.java:49)


C:\jdk-17.0.4.1\bin\jdeps --multi-release 11 --module-path . --inverse --package com.sap.nw.performance.supa.client test.jar

Inverse transitive dependences matching packages [com.sap.nw.performance.supa.client]
Exception in thread "main" java.util.NoSuchElementException: No value present
        at java.base/java.util.Optional.get(Optional.java:143)
        at jdk.jdeps/com.sun.tools.jdeps.InverseDepsAnalyzer.lambda$inverseDependences$2(InverseDepsAnalyzer.java:150)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
        at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
        at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
        at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
        at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1845)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
        at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
        at jdk.jdeps/com.sun.tools.jdeps.InverseDepsAnalyzer.lambda$inverseDependences$3(InverseDepsAnalyzer.java:150)
        at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
        at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1845)
        at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762)
        at jdk.jdeps/com.sun.tools.jdeps.InverseDepsAnalyzer.inverseDependences(InverseDepsAnalyzer.java:145)
        at jdk.jdeps/com.sun.tools.jdeps.JdepsTask$InverseAnalyzeDeps.run(JdepsTask.java:860)
        at jdk.jdeps/com.sun.tools.jdeps.JdepsTask.run(JdepsTask.java:574)
        at jdk.jdeps/com.sun.tools.jdeps.JdepsTask.run(JdepsTask.java:533)
        at jdk.jdeps/com.sun.tools.jdeps.Main.main(Main.java:49)


Looks like the iteration/streams - related coding in InverseDepsAnalyzer.java might need some adjustments , to be able to deal with "empty" optionals (v.get() seems to fail) ?

https://github.com/openjdk/jdk/blob/master/src/jdk.jdeps/share/classes/com/sun/tools/jdeps/InverseDepsAnalyzer.java#L150