Using PMD 7.0.0-rc1 to run:
pmd ast-dump --format xml --language java --file Foo.java > Foo.xml
Produces:
INFO net.sourceforge.pmd.cli.commands.internal.AbstractPmdSubcommand - Log level is at INFO
java.lang.NullPointerException: Cannot invoke "java.util.Properties.entrySet()" because "properties" is null
at net.sourceforge.pmd.util.treeexport.TreeExporter.parseProperties(TreeExporter.java:106)
at net.sourceforge.pmd.util.treeexport.TreeExporter.export(TreeExporter.java:53)
at net.sourceforge.pmd.cli.commands.internal.TreeExportCommand.execute(TreeExportCommand.java:112)
at net.sourceforge.pmd.cli.commands.internal.AbstractPmdSubcommand.call(AbstractPmdSubcommand.java:35)
at net.sourceforge.pmd.cli.commands.internal.AbstractPmdSubcommand.call(AbstractPmdSubcommand.java:20)
at picocli.CommandLine.executeUserObject(CommandLine.java:2041)
at picocli.CommandLine.access$1500(CommandLine.java:148)
at picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2461)
at picocli.CommandLine$RunLast.handle(CommandLine.java:2453)
at picocli.CommandLine$RunLast.handle(CommandLine.java:2415)
at picocli.CommandLine$AbstractParseResultHandler.execute(CommandLine.java:2273)
at picocli.CommandLine$RunLast.execute(CommandLine.java:2417)
at picocli.CommandLine.execute(CommandLine.java:2170)
at net.sourceforge.pmd.cli.PmdCli.main(PmdCli.java:18)
Originally posted by @Fernal73 in #4481 (comment)
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