I am using the latest gwt-servlet, gwt-user, gwt-dev(GWT 2.8.2).
Is there anything that can cause the above error?

On Wednesday, June 13, 2018 at 1:28:57 PM UTC+5:30, Thomas Broyer wrote:
>
> There was a change to LinkedHashSet GWT-RPC serialization in 2.7 (see 
> http://www.gwtproject.org/release-notes.html#Release_Notes_2_7_0_RC1)
> Make extra-sure that your gwt-servlet used on server side matches the GWT 
> version used for compiling the client side (i.e. that you also updated 
> gwt-servlet to 2.8.2)
>
> On Wednesday, June 13, 2018 at 7:47:25 AM UTC+2, dinesh kumar wrote:
>>
>> Can you please tell what other details are required?
>>
>> Earlier we were on GWT 2.6.0 (not on GWT 1.5) and currently trying to 
>> upgrade to GWT 2.8.2.
>>
>> On Wednesday, June 13, 2018 at 3:05:47 AM UTC+5:30, Colin Alworth wrote:
>>>
>>> This happens when the server thinks it can serialize and send an object, 
>>> but the client isn't actually capable of deserializing it. In this case, 
>>> the class is java.util.LinkedHashSet - the number that follows specifies 
>>> more details about how the class was referenced by the server, which the 
>>> client must match in order to deserialize correctly.
>>>
>>> Without more details, it is hard to be specific, but I'd guess that for 
>>> an application like yours (without having seen any updates in about 10 
>>> years), you might be missing some generics on some other collection. Raw 
>>> collections or custom field serializers that just reference Object make it 
>>> difficult for the RPC wiring to know what types will actually go over the 
>>> wire. It is possible that in GWT 1.5 this behaved differently, but it has 
>>> changed since then (I recall both around 2.0 and 2.5 that changes were made 
>>> to be more precise and limit application sizes in cases like this).
>>>
>>> On Tuesday, June 12, 2018 at 7:52:54 AM UTC-5, dinesh kumar wrote:
>>>>
>>>> The above solution fixes the error but now getting another error:
>>>>
>>>> com.ptc.cat.ops.client.internal.OperationManager
>>>> SEVERE: DefaultOperationManager-> Failure dispatching operation
>>>> com.google.gwt.user.client.rpc.IncompatibleRemoteServiceException: The 
>>>> response could not be deserialized
>>>> at Unknown.Throwable_1(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.Exception_1(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.RuntimeException_1(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.new 
>>>> IncompatibleRemoteServiceException_1(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.onResponseReceived(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$fireOnResponseReceived(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.onReadyStateChange(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.<anonymous>(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.apply_0(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.entry0_0(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.<anonymous>(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> Caused by: com.google.gwt.user.client.rpc.SerializationException: 
>>>> java.util.LinkedHashSet/1826081506
>>>> at Unknown.Throwable_0(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.Exception_0(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.new 
>>>> SerializationException_0(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$check(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$instantiate(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$readObject(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.deserialize_668(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.deserialize_697(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$deserialize_0(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$deserialize(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$readObject(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.deserialize_337(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.deserialize_335(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$deserialize_0(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$deserialize(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$readObject(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.read_8(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.onResponseReceived(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.$fireOnResponseReceived(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.onReadyStateChange(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.<anonymous>(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.apply_0(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.entry0_0(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>> at Unknown.<anonymous>(com.ptc.windchill.wncgwt.WncGWT-0.js)
>>>>
>>>> On Tuesday, June 12, 2018 at 2:06:25 PM UTC+5:30, Thomas Broyer wrote:
>>>>>
>>>>> IIUC, make sure all your <entry-point/> classes implement EntryPoint.
>>>>> Before 2.7, entry points weren't cast to EntryPoint, so you only had 
>>>>> to have a method with "void onModuleLoad()" signature; starting with GWT 
>>>>> 2.7 (and specifically this commit: 
>>>>> https://github.com/gwtproject/gwt/commit/3be1548873300d5bcb74c0258352c90abe7a42bd),
>>>>>  
>>>>> the entry points are cast to EntryPoint.
>>>>>
>>>>> On Tuesday, June 12, 2018 at 10:13:13 AM UTC+2, dinesh kumar wrote:
>>>>>>
>>>>>> I was able to compile my code using latest GWT library.
>>>>>>
>>>>>> However while running, my i-frame does not load in the browser and 
>>>>>> following error displays on the browser console:
>>>>>>
>>>>>> Tue Jun 12 13:41:26 GMT+530 2018 
>>>>>> com.google.gwt.logging.client.LogConfiguration
>>>>>> SEVERE: null
>>>>>> java.lang.ClassCastException
>>>>>> at Unknown.Throwable_0(Throwable.java:67)
>>>>>> at Unknown.Exception_0(Exception.java:29)
>>>>>> at Unknown.RuntimeException_0(RuntimeException.java:29)
>>>>>> at Unknown.ClassCastException_0(ClassCastException.java:27)
>>>>>> at Unknown.checkCriticalType(InternalPreconditions.java:154)
>>>>>> at 
>>>>>> Unknown.throwClassCastExceptionUnlessNull(InternalPreconditions.java:138)
>>>>>> at 
>>>>>> Unknown.init_9(com_00046ptc_00046windchill_00046wncgwt_00046WncGWTdebug__EntryMethodHolder.java:3)
>>>>>> at Unknown.initializeModules(ModuleUtils.java:44)
>>>>>> at Unknown.apply_0(Impl.java:309)
>>>>>> at Unknown.entry0_0(Impl.java:368)
>>>>>> at Unknown.anonymous(Impl.java:78)
>>>>>> at Unknown.gwtOnLoad_0(ModuleUtils.java:55)
>>>>>>
>>>>>> Uncaught Error: java.lang.ClassCastException
>>>>>>     at ClassCastException_0.createError 
>>>>>> (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:62059)
>>>>>>     at ClassCastException_0.initializeBackingError 
>>>>>> (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:62104)
>>>>>>     at ClassCastException_0.Throwable_0 
>>>>>> (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:62009)
>>>>>>     at ClassCastException_0.Exception_0 
>>>>>> (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:62145)
>>>>>>     at ClassCastException_0.RuntimeException_0 
>>>>>> (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:62179)
>>>>>>     at new ClassCastException_0 
>>>>>> (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:480204)
>>>>>>     at checkCriticalType 
>>>>>> (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:490918)
>>>>>>     at throwClassCastExceptionUnlessNull 
>>>>>> (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:458)
>>>>>>     at Array.init_9 (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:74335)
>>>>>>     at initializeModules 
>>>>>> (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:46)
>>>>>>     at apply_0 (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:63011)
>>>>>>     at entry0_0 (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:63076)
>>>>>>     at com.ptc.windchill.wncgwt.WncGWTdebug-0.js:63045
>>>>>>     at gwtOnLoad_0 (com.ptc.windchill.wncgwt.WncGWTdebug-0.js:60)
>>>>>>     at com.ptc.windchill.wncgwt.WncGWTdebug-0.js:495783
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Thursday, June 7, 2018 at 7:11:02 PM UTC+5:30, Colin Alworth wrote:
>>>>>>>
>>>>>>> The errors you are getting aren't related to your Locale supersource 
>>>>>>> (or at least not directly), but to the fact that your project has 
>>>>>>> conflicting JRE sources which don't make sense, and so cannot be 
>>>>>>> compiled. 
>>>>>>> Your version of "gwtx" cannot be used with any version of GWT released 
>>>>>>> within the last 9 years or so.
>>>>>>>
>>>>>>> The first set of errors in your log, from GWT's internal i18n/etc, 
>>>>>>> are the same error you are going to get from every type in your entire 
>>>>>>> application, because java.lang.Object is broken in your project:
>>>>>>> [ERROR] java.lang.Object cannot be resolved to a type
>>>>>>>
>>>>>>> Searching for Object.java shows us the root cause:
>>>>>>>    [ERROR] Errors in 
>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/lang/Object.java'
>>>>>>>      [java]          [ERROR] java.lang.Throwable cannot be resolved 
>>>>>>> to a type
>>>>>>>
>>>>>>> And in turn, searching for Throwable.java...
>>>>>>>
>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/lang/Throwable.java'
>>>>>>>      [java]          [ERROR] java.io.PrintStream cannot be resolved 
>>>>>>> to a type
>>>>>>>
>>>>>>> ...
>>>>>>>
>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/io/PrintStream.java'
>>>>>>>      [java]          [ERROR] java.io.FilterOutputStream cannot be 
>>>>>>> resolved to a type
>>>>>>>
>>>>>>> And finally
>>>>>>>
>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/io/FilterOutputStream.java'
>>>>>>>      [java]          [ERROR] Line 74: The constructor 
>>>>>>> IOException(Throwable) is undefined
>>>>>>>
>>>>>>> which by itself appears crazy, until you see where IOException comes 
>>>>>>> from: 
>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwtx-1.5.2.jar!/com/googlecode/gwtx/java/io/emul/java/io/IOException.java'.
>>>>>>>
>>>>>>> Since GoogleCode is long dead, we can't see the sources there, but 
>>>>>>> you can see them in some exported github projects, such as 
>>>>>>> https://github.com/ttt43ttt/gwtx/blob/master/src/main/java/gwtx/java/io/emul/java/io/IOException.java.
>>>>>>>  
>>>>>>> You can see there that gwtx is missing this constructor, but GWT 2.8.2 
>>>>>>> correctly has it (see 
>>>>>>> https://gwt.googlesource.com/gwt/+/2.8.2/user/super/com/google/gwt/emul/java/io/IOException.java#37
>>>>>>> ).
>>>>>>>
>>>>>>> This is the root issue - IOException is redefined in gwtx, and is 
>>>>>>> incompatible with "modern" (i.e. less than 9 years old) gwt-user.jar. 
>>>>>>> Fix 
>>>>>>> this, and these other resulting issues should go away (though there may 
>>>>>>> be 
>>>>>>> more issues if you do not entirely remove gwtx.jar, and possibly also 
>>>>>>> CoreGWT-src.jar as well, but I cannot say without actually seeing the 
>>>>>>> sources inside).
>>>>>>>
>>>>>>>
>>>>>>> On Thursday, June 7, 2018 at 8:07:23 AM UTC-5, dinesh kumar wrote:
>>>>>>>>
>>>>>>>> I have emulated few of the classes for example : java.util.Locale
>>>>>>>>
>>>>>>>> But now all my code is always referring to this class instead of 
>>>>>>>> jre library. How and where can we specify where to look for?
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Tuesday, June 5, 2018 at 12:27:44 PM UTC+5:30, dinesh kumar 
>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> I have updated to GWT 2.8.2 and getting a compilation error : 
>>>>>>>>>
>>>>>>>>> Compilation unit 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/i18n/shared/impl/cldr/DateTimeFormatInfoImpl_se.java'
>>>>>>>>>  
>>>>>>>>> is removed due to invalid reference(s):
>>>>>>>>>      [java]          java.lang.String
>>>>>>>>>      [java]       Compilation unit 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/i18n/client/constants/NumberConstants.java'
>>>>>>>>>  
>>>>>>>>> is removed due to invalid reference(s):
>>>>>>>>>      [java]          java.lang.String
>>>>>>>>>      [java]       Compilation unit 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/dom/builder/client/DomMediaBuilderBase.java'
>>>>>>>>>  
>>>>>>>>> is removed due to invalid reference(s):
>>>>>>>>>      [java]          java.lang.String
>>>>>>>>>      [java]       Compilation unit 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/i18n/shared/impl/cldr/DateTimeFormatInfoImpl_lkt.java'
>>>>>>>>>  
>>>>>>>>> is removed due to invalid reference(s):
>>>>>>>>>      [java]          java.lang.String
>>>>>>>>>      [java]       Compilation unit 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/i18n/client/impl/cldr/DateTimeFormatInfoImpl_jgo.java'
>>>>>>>>>  
>>>>>>>>> is removed due to invalid reference(s):
>>>>>>>>>      [java]          java.lang.String
>>>>>>>>>
>>>>>>>>> .
>>>>>>>>> .
>>>>>>>>> .
>>>>>>>>> ..
>>>>>>>>>    [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/lang/Object.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Throwable cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/core/client/JavaScriptObject.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/lang/Throwable.java'
>>>>>>>>>      [java]          [ERROR] java.io.PrintStream cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/lang/Class.java'
>>>>>>>>>      [java]          [ERROR] 
>>>>>>>>> com.google.gwt.core.client.JavaScriptObject cannot be resolved to a 
>>>>>>>>> type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/String.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/lang/CloneNotSupportedException.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Exception cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/io/PrintStream.java'
>>>>>>>>>      [java]          [ERROR] java.io.FilterOutputStream cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/io/PrintWriter.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/StackTraceElement.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/lang/ClassNotFoundException.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Exception cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/lang/reflect/Method.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/CharSequence.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/Iterable.java'
>>>>>>>>>      [java]          [ERROR] java.util.Spliterator cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/javaemul/internal/NativeRegExp.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/nio/charset/Charset.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/StringBuffer.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/util/Locale.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/StringBuilder.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/Comparator.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/io/UnsupportedEncodingException.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/Exception.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Throwable cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/io/OutputStream.java'
>>>>>>>>>      [java]          [ERROR] java.io.IOException cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/io/FilterOutputStream.java'
>>>>>>>>>      [java]          [ERROR] Line 74: The constructor 
>>>>>>>>> IOException(Throwable) is undefined
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/stream/IntStream.java'
>>>>>>>>>      [java]          [ERROR] java.util.OptionalDouble cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/Spliterator.java'
>>>>>>>>>      [java]          [ERROR] java.util.Comparator cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/SortedMap.java'
>>>>>>>>>      [java]          [ERROR] java.util.Comparator cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/AbstractStringBuilder.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/i18n/client/LocaleInfo.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwtx-1.5.2.jar!/com/googlecode/gwtx/java/io/emul/java/io/IOException.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Exception cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwtx-1.5.2.jar!/com/googlecode/gwtx/java/io/emul/java/io/Closeable.java'
>>>>>>>>>      [java]          [ERROR] java.io.IOException cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwtx-1.5.2.jar!/com/googlecode/gwtx/java/io/emul/java/io/Flushable.java'
>>>>>>>>>      [java]          [ERROR] java.io.IOException cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/stream/LongStream.java'
>>>>>>>>>      [java]          [ERROR] java.util.OptionalDouble cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/OptionalDouble.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Throwable cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/gwt/java/lang/Integer.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/OptionalInt.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Throwable cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/stream/DoubleStream.java'
>>>>>>>>>      [java]          [ERROR] java.util.OptionalDouble cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/stream/Stream.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/stream/BaseStream.java'
>>>>>>>>>      [java]          [ERROR] java.lang.AutoCloseable cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/IntSummaryStatistics.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/Double.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/Long.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/Map.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/Appendable.java'
>>>>>>>>>      [java]          [ERROR] java.io.IOException cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/i18n/client/DateTimeFormatInfo.java'
>>>>>>>>>      [java]          [ERROR] 
>>>>>>>>> com.google.gwt.i18n.shared.DateTimeFormatInfo cannot be resolved to a 
>>>>>>>>> type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/i18n/client/LocalizedNames.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/i18n/client/constants/DateTimeConstants.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/ptc/fox_10/Windchill/srclib/wnc/CoreGWT-src.jar!/com/google/gwt/i18n/client/impl/LocaleInfoImpl.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/i18n/client/constants/NumberConstants.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/OptionalLong.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Throwable cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/LongSummaryStatistics.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/NumberFormatException.java'
>>>>>>>>>      [java]          [ERROR] java.lang.IllegalArgumentException 
>>>>>>>>> cannot be resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/Number.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/DoubleSummaryStatistics.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/function/Predicate.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/function/BinaryOperator.java'
>>>>>>>>>      [java]          [ERROR] java.util.Comparator cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/Optional.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Throwable cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/stream/Collector.java'
>>>>>>>>>      [java]          [ERROR] java.util.Set cannot be resolved to a 
>>>>>>>>> type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/AutoCloseable.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Exception cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/Collection.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Object cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/util/Set.java'
>>>>>>>>>      [java]          [ERROR] java.util.Collection cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/i18n/shared/DateTimeFormatInfo.java'
>>>>>>>>>      [java]          [ERROR] java.lang.String cannot be resolved 
>>>>>>>>> to a type
>>>>>>>>>      [java]       [ERROR] Errors in 
>>>>>>>>> 'jar:file:/opt/wnc/3rdPartyJars/lib/gwt-user.jar!/com/google/gwt/emul/java/lang/IllegalArgumentException.java'
>>>>>>>>>      [java]          [ERROR] java.lang.Throwable cannot be 
>>>>>>>>> resolved to a type
>>>>>>>>>
>>>>>>>>

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