[ https://issues.apache.org/jira/browse/JCI-53?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Emmanuel Bourg closed JCI-53. ----------------------------- > Stack overflow on cross imports in commons-jci-janino > ----------------------------------------------------- > > Key: JCI-53 > URL: https://issues.apache.org/jira/browse/JCI-53 > Project: Commons JCI > Issue Type: Bug > Components: compiler janino > Affects Versions: 1.0 > Reporter: Edson Tirelli > Assignee: Torsten Curdt > Priority: Blocker > Fix For: 1.1 > > > A stack overflow occurs when trying to compile classes with cross references > using commons-jci-janino, because an infinite recursion. The simple presence > of cross reference import is enough to cause the problem. > Example: the following classes will recreate the problem: > {code} > package test; > import static test.Func2.func2; > public class Func1 { > public static boolean func1() throws Exception { > return true; > } > } > {code} > {code} > package test; > import static test.Func1.func1; > public class Func2 { > public static boolean func2() throws Exception { > return true; > } > } > {code} > The exception stack is: > {code} > java.lang.StackOverflowError > at org.codehaus.janino.Parser.parseAndExpression(Parser.java) > at org.codehaus.janino.Parser.parseExclusiveOrExpression(Parser.java) > at org.codehaus.janino.Parser.parseInclusiveOrExpression(Parser.java) > at org.codehaus.janino.Parser.parseConditionalAndExpression(Parser.java) > at org.codehaus.janino.Parser.parseConditionalOrExpression(Parser.java) > at org.codehaus.janino.Parser.parseConditionalExpression(Parser.java) > at org.codehaus.janino.Parser.parseAssignmentExpression(Parser.java) > at org.codehaus.janino.Parser.parseExpression(Parser.java) > at org.codehaus.janino.Parser.parseReturnStatement(Parser.java) > at org.codehaus.janino.Parser.parseStatement(Parser.java) > at org.codehaus.janino.Parser.parseBlockStatement(Parser.java) > at org.codehaus.janino.Parser.parseBlockStatements(Parser.java) > at org.codehaus.janino.Parser.parseBlock(Parser.java) > at org.codehaus.janino.Parser.parseMethodBody(Parser.java) > at org.codehaus.janino.Parser.parseMethodDeclarationRest(Parser.java) > at org.codehaus.janino.Parser.parseClassBodyDeclaration(Parser.java) > at org.codehaus.janino.Parser.parseClassBody(Parser.java) > at org.codehaus.janino.Parser.parseClassDeclarationRest(Parser.java) > at > org.codehaus.janino.Parser.parsePackageMemberTypeDeclaration(Parser.java) > at org.codehaus.janino.Parser.parseCompilationUnit(Parser.java) > at > org.drools.commons.jci.compilers.JaninoJavaCompiler$CompilingIClassLoader.findIClass(JaninoJavaCompiler.java:90) > at org.codehaus.janino.IClassLoader.loadIClass(IClassLoader.java) > at > org.codehaus.janino.UnitCompiler.loadFullyQualifiedClass(UnitCompiler.java) > at org.codehaus.janino.UnitCompiler.import2(UnitCompiler.java) > at org.codehaus.janino.UnitCompiler.access$2(UnitCompiler.java) > at > org.codehaus.janino.UnitCompiler$1.visitSingleStaticImportDeclaration(UnitCompiler.java) > at > org.codehaus.janino.Java$CompilationUnit$SingleStaticImportDeclaration.accept(Java.java) > at org.codehaus.janino.UnitCompiler.<init>(UnitCompiler.java) > at > org.drools.commons.jci.compilers.JaninoJavaCompiler$CompilingIClassLoader.findIClass(JaninoJavaCompiler.java:91) > at org.codehaus.janino.IClassLoader.loadIClass(IClassLoader.java) > at > org.codehaus.janino.UnitCompiler.loadFullyQualifiedClass(UnitCompiler.java) > at org.codehaus.janino.UnitCompiler.import2(UnitCompiler.java) > at org.codehaus.janino.UnitCompiler.access$2(UnitCompiler.java) > at > org.codehaus.janino.UnitCompiler$1.visitSingleStaticImportDeclaration(UnitCompiler.java) > at > org.codehaus.janino.Java$CompilationUnit$SingleStaticImportDeclaration.accept(Java.java) > at org.codehaus.janino.UnitCompiler.<init>(UnitCompiler.java) > at > org.drools.commons.jci.compilers.JaninoJavaCompiler$CompilingIClassLoader.findIClass(JaninoJavaCompiler.java:91) > at org.codehaus.janino.IClassLoader.loadIClass(IClassLoader.java) > at > org.codehaus.janino.UnitCompiler.loadFullyQualifiedClass(UnitCompiler.java) > at org.codehaus.janino.UnitCompiler.import2(UnitCompiler.java) > at org.codehaus.janino.UnitCompiler.access$2(UnitCompiler.java) > at > org.codehaus.janino.UnitCompiler$1.visitSingleStaticImportDeclaration(UnitCompiler.java) > at > org.codehaus.janino.Java$CompilationUnit$SingleStaticImportDeclaration.accept(Java.java) > at org.codehaus.janino.UnitCompiler.<init>(UnitCompiler.java) > at > org.drools.commons.jci.compilers.JaninoJavaCompiler$CompilingIClassLoader.findIClass(JaninoJavaCompiler.java:91) > at org.codehaus.janino.IClassLoader.loadIClass(IClassLoader.java) > at > org.codehaus.janino.UnitCompiler.loadFullyQualifiedClass(UnitCompiler.java) > (... and the loop continues ... ) > {code} > Please note that the problem does not occur when using commons-jci-eclipse or > when using JANINO from command line: > {code} > [etirelli@localhost test]$ ../janino-2.5.9/bin/janinoc test/*.java > [etirelli@localhost test]$ > {code} > This problem is affecting JANINO support in the Drools project as described > in ticket: > http://jira.jboss.com/jira/browse/JBRULES-1013 > Thanks, > Edson -- This message was sent by Atlassian JIRA (v6.1#6144)