Hi all, I'm getting the following exception when running buildr with jruby 1.1.4 and Java 1.6 on Mac OS X 1.5.5. Any clue would be greatly appreciated.
Cheers, Tal /System/Library/Frameworks/JavaVM.framework/Versions>java -version java version "1.6.0_07" Java(TM) SE Runtime Environment (build 1.6.0_07-b06-153) Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_07-b06-57, mixed mode) /System/Library/Frameworks/JavaVM.framework/Versions>cd ~/Dev/Workspace/Project1 ~/Dev/Workspace/Project1>buildr (in /Users/redbeard/Dev/Workspace/Project1, development) Java home is: /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home java.lang.reflect.Array:-2:in `set': java.lang.IllegalArgumentException: array element type mismatch from org.jruby.javasupport.JavaArray:121:in `setWithExceptionHandling' from org.jruby.java.addons.ArrayJavaAddons:108:in `copyDataToJavaArray' from org.jruby.javasupport.JavaClass:1511:in `javaArrayFromRubyArray' from org.jruby.java.addons.ArrayJavaAddons:80:in `to_java' from org.jruby.java.addons.ArrayJavaAddons$s_method_multi$RUBYFRAMEDINVOKER$to_java:-1:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:156:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:394:in `call' from org.jruby.ast.CallOneArgNode:57:in `interpret' from org.jruby.ast.CallTwoArgNode:59:in `interpret' from org.jruby.ast.LocalAsgnNode:115:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:211:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:132:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:343:in `call' from org.jruby.ast.CallNoArgNode:61:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:190:in `yield' from org.jruby.runtime.BlockBody:64:in `call' from org.jruby.runtime.Block:101:in `call' from org.jruby.RubyProc:200:in `call' from org.jruby.internal.runtime.methods.ProcMethod:64:in `call' from org.jruby.internal.runtime.methods.DynamicMethod:242:in `call' from org.jruby.RubyMethod:110:in `call' from org.jruby.RubyMethod$i_method_multi$RUBYINVOKER$call:-1:in `call' from org.jruby.internal.runtime.methods.DynamicMethod:151:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:391:in `call' from org.jruby.ast.CallOneArgNode:57:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:153:in `yield' from org.jruby.runtime.Block:105:in `yield' from org.jruby.RubyArray:1415:in `each' from org.jruby.RubyArray$i_method_0_0$RUBYFRAMEDINVOKER$each:-1:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:144:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:355:in `call' from org.jruby.ast.CallNoArgBlockNode:63:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:274:in `call' from org.jruby.RubyClass:362:in `finvoke' from org.jruby.RubyObject:2048:in `send' from org.jruby.RubyObject$i_method_multi$RUBYINVOKER$send:-1:in `call' from org.jruby.internal.runtime.methods.DynamicMethod:168:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:180:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:445:in `call' from org.jruby.ast.CallTwoArgNode:59:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:190:in `yield' from org.jruby.runtime.BlockBody:64:in `call' from org.jruby.runtime.Block:101:in `call' from org.jruby.RubyProc:200:in `call' from org.jruby.RubyProc:187:in `call' from org.jruby.RubyProc$i_method_0_0$RUBYFRAMEDINVOKER$call:-1:in `call' from org.jruby.internal.runtime.methods.JavaMethod$JavaMethodNoBlock:62:in `call' from org.jruby.internal.runtime.methods.DynamicMethod:242:in `call' from org.jruby.internal.runtime.methods.DynamicMethod:151:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:156:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:394:in `call' from org.jruby.ast.CallOneArgNode:57:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.WhenNode:97:in `interpret' from org.jruby.ast.CaseNode:160:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:153:in `yield' from org.jruby.runtime.Block:105:in `yield' from org.jruby.RubyArray:1415:in `each' from org.jruby.RubyArray$i_method_0_0$RUBYFRAMEDINVOKER$each:-1:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:352:in `call' from org.jruby.ast.CallNoArgBlockNode:63:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.RubyClass:333:in `invoke' from org.jruby.javasupport.util.RuntimeHelpers:366:in `invokeAs' from org.jruby.RubyObject:685:in `callSuper' from org.jruby.javasupport.util.RuntimeHelpers:624:in `callZSuper' from org.jruby.ast.ZSuperNode:92:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:190:in `yield' from org.jruby.runtime.Block:110:in `yield' from org.jruby.ast.YieldNode:95:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.EnsureNode:93:in `interpret' from org.jruby.ast.BeginNode:80:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:274:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:168:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:406:in `call' from org.jruby.ast.CallOneArgBlockNode:60:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:253:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:156:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:394:in `call' from org.jruby.ast.FCallOneArgNode:36:in `interpret' from org.jruby.ast.IfNode:108:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.ast.EnsureNode:93:in `interpret' from org.jruby.ast.BeginNode:80:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:153:in `yield' from org.jruby.runtime.Block:105:in `yield' from org.jruby.libraries.ThreadLibrary$Mutex:159:in `synchronize' from org.jruby.libraries.ThreadLibrary$Mutex$i_method_0_0$RUBYINVOKER$synchronize:-1:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:352:in `call' from org.jruby.ast.CallNoArgBlockNode:63:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:295:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:180:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:445:in `call' from org.jruby.ast.FCallTwoArgNode:38:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:232:in `call' from org.jruby.RubyClass:322:in `finvoke' from org.jruby.RubyObject:2042:in `send' from org.jruby.RubyObject$i_method_multi$RUBYINVOKER$send:-1:in `call' from org.jruby.internal.runtime.methods.DynamicMethod:151:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:156:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:394:in `call' from org.jruby.ast.CallSpecialArgNode:67:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:153:in `yield' from org.jruby.runtime.Block:105:in `yield' from org.jruby.RubyArray:1415:in `each' from org.jruby.RubyArray$i_method_0_0$RUBYFRAMEDINVOKER$each:-1:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:144:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:355:in `call' from org.jruby.ast.CallNoArgBlockPassNode:52:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.ast.IfNode:108:in `interpret' from org.jruby.ast.IfNode:110:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:211:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:132:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:343:in `call' from org.jruby.ast.CallSpecialArgNode:65:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:211:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:132:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:343:in `call' from org.jruby.ast.VCallNode:82:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:190:in `yield' from org.jruby.runtime.BlockBody:64:in `call' from org.jruby.runtime.Block:101:in `call' from org.jruby.RubyProc:200:in `call' from org.jruby.RubyProc:187:in `call' from org.jruby.RubyProc$i_method_0_0$RUBYFRAMEDINVOKER$call:-1:in `call' from org.jruby.internal.runtime.methods.JavaMethod$JavaMethodNoBlock:62:in `call' from org.jruby.internal.runtime.methods.DynamicMethod:260:in `call' from org.jruby.internal.runtime.methods.DynamicMethod:168:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:180:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:445:in `call' from org.jruby.ast.CallTwoArgNode:59:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.CaseNode:120:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:153:in `yield' from org.jruby.runtime.Block:105:in `yield' from org.jruby.RubyArray:1415:in `each' from org.jruby.RubyArray$i_method_0_0$RUBYFRAMEDINVOKER$each:-1:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:144:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:355:in `call' from org.jruby.ast.CallNoArgBlockNode:63:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:253:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:156:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:394:in `call' from org.jruby.ast.FCallOneArgNode:36:in `interpret' from org.jruby.ast.IfNode:108:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.ast.EnsureNode:93:in `interpret' from org.jruby.ast.BeginNode:80:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:153:in `yield' from org.jruby.runtime.Block:105:in `yield' from org.jruby.libraries.ThreadLibrary$Mutex:159:in `synchronize' from org.jruby.libraries.ThreadLibrary$Mutex$i_method_0_0$RUBYINVOKER$synchronize:-1:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:144:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:355:in `call' from org.jruby.ast.CallNoArgBlockNode:63:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:295:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:180:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:445:in `call' from org.jruby.ast.FCallTwoArgNode:38:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:211:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:132:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:343:in `call' from org.jruby.ast.CallSpecialArgNode:65:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:253:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:156:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:394:in `call' from org.jruby.ast.FCallOneArgNode:36:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:153:in `yield' from org.jruby.runtime.Block:105:in `yield' from org.jruby.RubyArray:1415:in `each' from org.jruby.RubyArray$i_method_0_0$RUBYFRAMEDINVOKER$each:-1:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:144:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:355:in `call' from org.jruby.ast.CallNoArgBlockNode:63:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.IfNode:110:in `interpret' from org.jruby.ast.IfNode:110:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:190:in `yield' from org.jruby.runtime.Block:110:in `yield' from org.jruby.ast.YieldNode:95:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.RescueNode:222:in `executeBody' from org.jruby.ast.RescueNode:144:in `interpretWithJavaExceptions' from org.jruby.ast.RescueNode:107:in `interpret' from org.jruby.ast.BeginNode:80:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:232:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:144:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:374:in `callIter' from org.jruby.ast.FCallNoArgBlockNode:31:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:211:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:132:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:343:in `call' from org.jruby.ast.VCallNode:82:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:190:in `yield' from org.jruby.runtime.Block:110:in `yield' from org.jruby.ast.YieldNode:95:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.RescueNode:222:in `executeBody' from org.jruby.ast.RescueNode:144:in `interpretWithJavaExceptions' from org.jruby.ast.RescueNode:107:in `interpret' from org.jruby.ast.BeginNode:80:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:232:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:144:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:374:in `callIter' from org.jruby.ast.FCallNoArgBlockNode:31:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.runtime.InterpretedBlock:202:in `evalBlockBody' from org.jruby.runtime.InterpretedBlock:190:in `yield' from org.jruby.runtime.Block:110:in `yield' from org.jruby.ast.YieldNode:95:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:232:in `call' from org.jruby.internal.runtime.methods.WrapperMethod:74:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:144:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:355:in `call' from org.jruby.ast.CallNoArgBlockNode:63:in `interpret' from org.jruby.ast.LocalAsgnNode:115:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.internal.runtime.methods.DefaultMethod:163:in `interpretedCall' from org.jruby.internal.runtime.methods.DefaultMethod:140:in `call' from org.jruby.internal.runtime.methods.DefaultMethod:211:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:132:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:343:in `call' from org.jruby.ast.CallNoArgNode:61:in `interpret' from org.jruby.ast.NewlineNode:101:in `interpret' from org.jruby.ast.BlockNode:67:in `interpret' from org.jruby.ast.RootNode:126:in `interpret' from org.jruby.Ruby:2107:in `loadFile' from org.jruby.runtime.load.ExternalScript:58:in `load' from org.jruby.runtime.load.LoadService:221:in `load' from org.jruby.RubyKernel:830:in `load' from org.jruby.RubyKernel$s_method_0_1$RUBYFRAMEDINVOKER$load:-1:in `call' from org.jruby.internal.runtime.methods.DynamicMethod:242:in `call' from org.jruby.internal.runtime.methods.DynamicMethod:151:in `call' from org.jruby.runtime.CallSite$InlineCachingCallSite:156:in `cacheAndCall' from org.jruby.runtime.CallSite$InlineCachingCallSite:394:in `call' from opt.jruby.bin.buildr:19:in `__file__' from opt.jruby.bin.buildr:-1:in `__file__' from opt.jruby.bin.buildr:-1:in `load' from org.jruby.Ruby:544:in `runScript' from org.jruby.Ruby:457:in `runNormally' from org.jruby.Ruby:330:in `runFromMain' from org.jruby.Main:214:in `run' from org.jruby.Main:100:in `run' from org.jruby.Main:84:in `main' If it helps, jgem list outputs: *** LOCAL GEMS *** Antwrap (0.7.0) archive-tar-minitar (0.5.2) builder (2.1.2) buildr (1.3.2) ci_reporter (1.5.1) highline (1.4.0) hoe (1.7.0, 1.6.0) jruby-openssl (0.3, 0.2) net-sftp (2.0.1) net-ssh (2.0.4, 2.0.3) rake (0.8.1) rspec (1.1.4) rubyforge (1.0.0) rubyzip (0.9.1) sources (0.0.1) xml-simple (1.0.11)