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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2019/08/11 20:18:00 UTC
[jira] [Assigned] (CALCITE-3240) Javadoc gives internal error
"com.sun.tools.javac.code.ClassFinder$BadClassFile: bad class file:
linq4j/target/classes/org/apache/calcite/linq4j/Ord$2.class [ERROR]
undeclared type variable: E"
[ https://issues.apache.org/jira/browse/CALCITE-3240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julian Hyde reassigned CALCITE-3240:
------------------------------------
Assignee: Julian Hyde
> Javadoc gives internal error "com.sun.tools.javac.code.ClassFinder$BadClassFile: bad class file: linq4j/target/classes/org/apache/calcite/linq4j/Ord$2.class [ERROR] undeclared type variable: E"
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-3240
> URL: https://issues.apache.org/jira/browse/CALCITE-3240
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Priority: Major
>
> Javadoc gives an internal error on JDK 9 (version 9.0.4) and JDK 10 (version 10.0.2):
> {noformat}
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:3.0.1:test-javadoc (default-cli) on project calcite-linq4j: An error has occurred in Test Javadoc report generation:
> [ERROR] Exit code: 1 - javadoc: error - An internal exception has occurred.
> [ERROR] (com.sun.tools.javac.code.ClassFinder$BadClassFile: bad class file: /home/jhyde/open1/calcite.2/linq4j/target/classes/org/apache/calcite/linq4j/Ord$2.class
> [ERROR] undeclared type variable: E
> [ERROR] Please remove or make sure it appears in the correct subdirectory of the classpath.)
> [ERROR] Please file a bug against the javadoc tool via the Java bug reporting page
> [ERROR] (http://bugreport.java.com) after checking the Bug Database (http://bugs.java.com)
> [ERROR] for duplicates. Include error messages and the following diagnostic in your report. Thank you.
> [ERROR] com.sun.tools.javac.code.ClassFinder$BadClassFile: bad class file: /home/jhyde/open1/calcite.2/linq4j/target/classes/org/apache/calcite/linq4j/Ord$2.class
> [ERROR] undeclared type variable: E
> [ERROR] Please remove or make sure it appears in the correct subdirectory of the classpath.
> [ERROR] at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.badClassFile(ClassReader.java:281)
> [ERROR] at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.findTypeVar(ClassReader.java:966)
> [ERROR] at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.readEnclosingMethodAttr(ClassReader.java:1463)
> [ERROR] at jdk.compiler/com.sun.tools.javac.jvm.ClassReader$10.read(ClassReader.java:1173)
> [ERROR] at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.readAttrs(ClassReader.java:1549)
> [ERROR] at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.readClassAttrs(ClassReader.java:1563)
> [ERROR] at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.readClass(ClassReader.java:2625)
> [ERROR] at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.readClassBuffer(ClassReader.java:2718)
> [ERROR] at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.readClassFile(ClassReader.java:2731)
> [ERROR] at jdk.compiler/com.sun.tools.javac.code.ClassFinder.fillIn(ClassFinder.java:352)
> [ERROR] at jdk.compiler/com.sun.tools.javac.code.ClassFinder.complete(ClassFinder.java:284)
> [ERROR] at jdk.compiler/com.sun.tools.javac.code.Symbol.complete(Symbol.java:633)
> [ERROR] at jdk.compiler/com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:1308)
> [ERROR] at jdk.compiler/com.sun.tools.javac.code.Symbol$ClassSymbol.flags(Symbol.java:1242)
> [ERROR] at jdk.compiler/com.sun.tools.javac.code.Symbol$TypeSymbol.getEnclosedElements(Symbol.java:800)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.util.Utils.getItems0(Utils.java:2404)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.util.Utils.getItems0(Utils.java:2399)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.util.Utils.recursiveGetItems(Utils.java:2387)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.util.Utils$17.visitPackage(Utils.java:2372)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.util.Utils$17.visitPackage(Utils.java:2368)
> [ERROR] at jdk.compiler/com.sun.tools.javac.code.Symbol$PackageSymbol.accept(Symbol.java:1160)
> [ERROR] at java.compiler@10.0.2/javax.lang.model.util.AbstractElementVisitor6.visit(AbstractElementVisitor6.java:106)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.util.Utils.getItems(Utils.java:2381)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.util.Utils.getClasses(Utils.java:2121)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.util.Utils.getAllClasses(Utils.java:2294)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.AbstractDoclet.generateClassFiles(AbstractDoclet.java:277)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.AbstractDoclet.startGeneration(AbstractDoclet.java:211)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.AbstractDoclet.run(AbstractDoclet.java:117)
> [ERROR] at jdk.javadoc/jdk.javadoc.doclet.StandardDoclet.run(StandardDoclet.java:72)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.tool.Start.parseAndExecute(Start.java:581)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.tool.Start.begin(Start.java:430)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.tool.Start.begin(Start.java:343)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.tool.Main.execute(Main.java:63)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.tool.Main.main(Main.java:52)
> [ERROR]
> [ERROR] Command line was: /usr/lib/jvm/jdk-10/bin/javadoc @options @packages
> [ERROR]
> [ERROR] Refer to the generated Javadoc files in 'linq4j/target/site/testapidocs' dir.
> {noformat}
> This occurs in my dev branch for CALCITE-1935, but I am just about to merge that into master, so it will start happening on master.
> The error is reported in {{Ord.java}}, but there are no recent changes to that file. If I change that file (e.g. renaming all type variables called {{E}} to distinct names {{E1}}, {{E2}} etc.) the error pops up in {{EnumerableDefaults.java}}. So, it seems to be a problem with {{javadoc}}, not our code.
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