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This bug was originally marked as duplicate of bug 232077, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.4 (Build 201310111528) VM: Java HotSpot(TM) Client VM, 23.7-b01, Java(TM) SE Runtime Environment, 1.7.0_17-b02 OS: Windows 7 User Comments: GUEST: compiling project Stacktrace: java.lang.IllegalArgumentException: int at com.sun.tools.javac.model.JavacTypes.getWildcardType(JavacTypes.java:217) at org.netbeans.modules.java.hints.jdk.IteratorToFor.iterable(IteratorToFor.java:232) at org.netbeans.modules.java.hints.jdk.IteratorToFor.forIdiom(IteratorToFor.java:126) at sun.reflect.GeneratedMethodAccessor242.invoke(GeneratedMethodAccessor242.java:0) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601)
Created attachment 142213 [details] stacktrace
This old bug may not be relevant anymore. If you can still reproduce it in 8.2 development builds please reopen this issue. Thanks for your cooperation, NetBeans IDE 8.2 Release Boss