[ https://issues.apache.org/jira/browse/GROOVY-11304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Milles reassigned GROOVY-11304: ------------------------------------ Assignee: Eric Milles > The script running reports a null pointer. > ------------------------------------------ > > Key: GROOVY-11304 > URL: https://issues.apache.org/jira/browse/GROOVY-11304 > Project: Groovy > Issue Type: Bug > Components: Static compilation > Affects Versions: 4.0.18 > Reporter: cong yang > Assignee: Eric Milles > Priority: Major > Attachments: image-2024-02-01-17-51-02-281.png, > image-2024-02-01-18-04-14-475.png > > > code: > {code:java} > import groovy.transform.CompileStatic; > import java.util.function.Function; > import java.util.stream.Collectors; > @CompileStatic > class Main { > static void main(String[] args) { > List<String> list = ["aaaa", "bbbb", "aaa"]; > Map<String, Integer> map = > list.stream().collect(Collectors.toMap(Function.identity(), k -> 1, { a, b -> > a + b })); > } > } > {code} > error: > {code:java} > Exception in thread "main" java.lang.NullPointerException > at com.sun.beans.TypeResolver.resolve(TypeResolver.java:203) > at com.sun.beans.TypeResolver.resolve(TypeResolver.java:218) > at com.sun.beans.TypeResolver.resolveInClass(TypeResolver.java:96) > at > java.beans.FeatureDescriptor.getParameterTypes(FeatureDescriptor.java:387) > at java.beans.MethodDescriptor.setMethod(MethodDescriptor.java:116) > at java.beans.MethodDescriptor.<init>(MethodDescriptor.java:72) > at java.beans.MethodDescriptor.<init>(MethodDescriptor.java:56) > at java.beans.Introspector.getTargetMethodInfo(Introspector.java:1205) > at java.beans.Introspector.getBeanInfo(Introspector.java:426) > at java.beans.Introspector.getBeanInfo(Introspector.java:173) > at > groovy.lang.MetaClassImpl.lambda$addProperties$25(MetaClassImpl.java:3466) > at java.security.AccessController.doPrivileged(Native Method) > at groovy.lang.MetaClassImpl.doPrivileged(MetaClassImpl.java:3519) > at groovy.lang.MetaClassImpl.addProperties(MetaClassImpl.java:3466) > at groovy.lang.MetaClassImpl.reinitialize(MetaClassImpl.java:3448) > at groovy.lang.MetaClassImpl.initialize(MetaClassImpl.java:3441) > at > org.codehaus.groovy.reflection.ClassInfo.getMetaClassUnderLock(ClassInfo.java:272) > at > org.codehaus.groovy.reflection.ClassInfo.getMetaClass(ClassInfo.java:314) > at > org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.getMetaClass(MetaClassRegistryImpl.java:269) > at > org.codehaus.groovy.runtime.InvokerHelper.getMetaClass(InvokerHelper.java:596) > at > groovy.lang.GroovyObjectSupport.getDefaultMetaClass(GroovyObjectSupport.java:46) > at groovy.lang.GroovyObjectSupport.<init>(GroovyObjectSupport.java:32) > at groovy.lang.Closure.<init>(Closure.java:215) > at Main$_main_lambda1.<init>(Main.groovy) > at Main.main(Main.groovy:8) > {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)