Hi,
I'm using CheckStyle with Gradle and I'm using SuppressionsFilter.
- without
SuppressionsFilter and ./gradlew build => pass
- without
SuppressionsFilter and ./gradlew build -Dcheckstyle.enableExternalDtdLoad=true => pass
- with
SuppressionsFilter and ./gradlew build => fail
- with
SuppressionsFilter and ./gradlew build -Dcheckstyle.enableExternalDtdLoad=true => pass
So this error is related to #6474.
The Gradle plugin seems to use the Ant task (see logs below) and it looks like the Ant task is not getting the DTD from the CheckStyle JAR but from the internet only. So this may be a CheckStyle issue rather than a Gradle one.
Caused by: java.lang.NullPointerException: Cannot invoke "java.util.Map.entrySet()" because "this.fTableOfNOTATIONAttributeNames" is null
at java.xml/com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDProcessor.endDTD(XMLDTDProcessor.java:1301)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.endEntity(XMLDTDScannerImpl.java:658)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLEntityManager.endEntity(XMLEntityManager.java:1507)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load(XMLEntityScanner.java:1925)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.skipSpaces(XMLEntityScanner.java:1664)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.skipSeparator(XMLDTDScannerImpl.java:2088)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.scanDecls(XMLDTDScannerImpl.java:2064)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.scanDTDExternalSubset(XMLDTDScannerImpl.java:299)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.dispatch(XMLDocumentScannerImpl.java:1165)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.next(XMLDocumentScannerImpl.java:1040)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:917)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:605)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:541)
at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:888)
at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:824)
at java.xml/com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1224)
at java.xml/com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:635)
at com.puppycrawl.tools.checkstyle.XmlLoader.parseInputSource(XmlLoader.java:86)
at com.puppycrawl.tools.checkstyle.filters.SuppressionsLoader.getSuppressionLoader(SuppressionsLoader.java:283)
at com.puppycrawl.tools.checkstyle.filters.SuppressionsLoader.loadSuppressions(SuppressionsLoader.java:238)
at com.puppycrawl.tools.checkstyle.filters.SuppressionsLoader.loadSuppressions(SuppressionsLoader.java:224)
at com.puppycrawl.tools.checkstyle.filters.SuppressionFilter.finishLocalSetup(SuppressionFilter.java:274)
at com.puppycrawl.tools.checkstyle.api.AutomaticBean.configure(AutomaticBean.java:197)
at com.puppycrawl.tools.checkstyle.Checker.setupChild(Checker.java:468)
at com.puppycrawl.tools.checkstyle.api.AutomaticBean.configure(AutomaticBean.java:201)
at com.puppycrawl.tools.checkstyle.ant.CheckstyleAntTask.createRootModule(CheckstyleAntTask.java:424)
at com.puppycrawl.tools.checkstyle.ant.CheckstyleAntTask.realExecute(CheckstyleAntTask.java:320)
at com.puppycrawl.tools.checkstyle.ant.CheckstyleAntTask.execute(CheckstyleAntTask.java:302)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
... 142 more
Hi,
I'm using CheckStyle with Gradle and I'm using
SuppressionsFilter.SuppressionsFilterand./gradlew build=> passSuppressionsFilterand./gradlew build -Dcheckstyle.enableExternalDtdLoad=true=> passSuppressionsFilterand./gradlew build=> failSuppressionsFilterand./gradlew build -Dcheckstyle.enableExternalDtdLoad=true=> passSo this error is related to #6474.
The Gradle plugin seems to use the Ant task (see logs below) and it looks like the Ant task is not getting the DTD from the CheckStyle JAR but from the internet only. So this may be a CheckStyle issue rather than a Gradle one.