NullPointerError build 957

Hi,

I keep getting this error when I have two IDE windows open and run the ant
compiler from within IntelliJ

java.lang.NullPointerException

at com.intellij.openapi.fileTypes.a.a.getFileTypeByFile(a.java:213)

at com.intellij.psi.impl.y.b(y.java:244)

at com.intellij.psi.impl.y.a(y.java:35)

at com.intellij.psi.impl.a.a.b.c(b.java:228)

at com.intellij.psi.impl.a.a.b.a(b.java:251)

at com.intellij.psi.impl.be.findClass(be.java:153)

at com.intellij.psi.impl.source.k.e(k.java:266)

at com.intellij.psi.impl.source.k.access$000(k.java:111)

at com.intellij.psi.impl.source.k$a_.b(k$a_.java:3)

at com.intellij.psi.impl.source.k$a_.a(k$a_.java:14)

at com.intellij.psi.impl.source.g.c.a(c.java:42)

at com.intellij.psi.impl.source.k.multiResolve(k.java:233)

at com.intellij.psi.impl.source.k.advancedResolve(k.java:298)

at com.intellij.psi.impl.source.k.resolve(k.java:331)

at com.intellij.psi.impl.source.be.resolve(be.java:5)

at com.intellij.psi.impl.source.y.getSingleClassImports(y.java:88)

at com.intellij.psi.impl.source.y.a(y.java:49)

at com.intellij.psi.impl.source.y.processDeclarations(y.java:24)

at com.intellij.psi.scope.h.a(h.java:112)

at com.intellij.psi.scope.h.a(h.java:168)

at com.intellij.psi.scope.h.a(h.java:169)

at com.intellij.psi.scope.h.a(h.java:29)

at com.intellij.psi.impl.source.k.e(k.java:30)

at com.intellij.psi.impl.source.k.access$000(k.java:111)

at com.intellij.psi.impl.source.k$a_.b(k$a_.java:3)

at com.intellij.psi.impl.source.k$a_.a(k$a_.java:14)

at com.intellij.psi.impl.source.g.c.a(c.java:42)

at com.intellij.psi.impl.source.g.c.a(c.java:37)

at com.intellij.psi.impl.source.k.multiResolve(k.java:233)

at com.intellij.psi.impl.source.k.advancedResolve(k.java:298)

at com.intellij.codeInsight.a.a.b.j.d(j.java:268)

at com.intellij.codeInsight.a.a.b.k.visitReferenceElement(k.java:77)

at com.intellij.psi.impl.source.k.accept(k.java:238)

at com.intellij.codeInsight.a.a.b.k.a(k.java:463)

at com.intellij.codeInsight.a.a.k.a(k.java:110)

at com.intellij.codeInsight.a.a.k.a(k.java:0)

at com.intellij.codeInsight.a.a.bj$1.run(bj$1.java:2)

at com.intellij.openapi.application.a.b.runReadAction(b.java:252)

at com.intellij.codeInsight.a.a.bj.a(bj.java:20)

at com.intellij.codeInsight.a.a.bj.access$100(bj.java:16)

at com.intellij.codeInsight.a.a.bj$0.run(bj$0.java:0)

at com.intellij.progress.c.a(c.java:9)

at com.intellij.codeInsight.a.a.bj.run(bj.java:1)


Thanks,
Steve.