GWT Emulated classes

I just want to know how does the emulated classes work in GWT. 

How does the GWT decides where to look for an imported class(inside JDK or emulated classes)? Where is this information is specified?

Is there any documentation for this? 

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How and when do the GWT emulated class work?

I want to know when the GWT Emulated classes from the /emul are invoked overriding the normal java classes.

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Re: GWT Update to 2.8.2

Yes, still getting same error.

On Tuesday, June 5, 2018 at 2:08:36 PM UTC+5:30, Thomas Broyer wrote:

On Tuesday, June 5, 2018 at 8:57:44 AM UTC+2, 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

Have you cleaned your .gwt-unitCache? IIRC that might be a reason. 

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Re: GWT Update to 2.8.2

On Tuesday, June 5, 2018 at 8:57:44 AM UTC+2, 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

Have you cleaned your .gwt-unitCache? IIRC that might be a reason. 

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Re: Errors while updating to GWT2.8.2

Still getting same error. I think instead of getting the String/Object... classes from the jdk, it is trying to look for them in the emulated classes.

On Thursday, May 31, 2018 at 6:01:53 PM UTC+5:30, Thomas Broyer wrote:

You may have to clean your .gwt-unitCache (it's a good idea anyway whenever your change GWT version)

On Thursday, May 31, 2018 at 12:14:42 PM UTC+2, dinesh kumar wrote:

I have updated the following jars :

    

GWT2.8.2

---------------

   gwt-dev

   gwt-user

   gwet-servlet

gxt-2.3.1a

Now I get the following error while compilation:

[ERROR] Errors in 'com/google/gwt/emul/java/util/OptionalInt.java'

     [java]          [ERROR] Line 92: The method compare(int, int) is undefined for the type Integer

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/stream/DoubleStream.java'

     [java]          [ERROR] java.util.PrimitiveIterator.OfDouble cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/stream/Stream.java'

     [java]          [ERROR] java.lang.Object cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/stream/BaseStream.java'

     [java]          [ERROR] java.lang.AutoCloseable cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/IntSummaryStatistics.java'

     [java]          [ERROR] java.lang.String cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/lang/Double.java'

     [java]          [ERROR] java.lang.Object cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/lang/Long.java'

     [java]          [ERROR] java.lang.Object cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/Map.java'

     [java]          [ERROR] java.lang.Object cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/lang/Appendable.java'

     [java]          [ERROR] java.io.IOException cannot be resolved to a type

     [java]       [ERROR] Errors in '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 'com/google/gwt/i18n/client/LocalizedNames.java'

     [java]          [ERROR] java.lang.String cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/i18n/client/constants/DateTimeConstants.java'

     [java]          [ERROR] java.lang.String cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/i18n/client/impl/LocaleInfoImpl.java'

     [java]          [ERROR] java.lang.String cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/i18n/client/constants/NumberConstants.java'

     [java]          [ERROR] java.lang.String cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/OptionalLong.java'

     [java]          [ERROR] java.lang.Object cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/LongSummaryStatistics.java'

     [java]          [ERROR] java.lang.String cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/lang/NumberFormatException.java'

     [java]          [ERROR] java.lang.String cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/lang/Number.java'

     [java]          [ERROR] java.lang.Object cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/DoubleSummaryStatistics.java'

     [java]          [ERROR] java.lang.String cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/function/Predicate.java'

     [java]          [ERROR] java.lang.Object cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/function/BinaryOperator.java'

     [java]          [ERROR] java.util.Comparator cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/Optional.java'

     [java]          [ERROR] java.lang.Object cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/stream/Collector.java'

     [java]          [ERROR] java.util.function.BinaryOperator cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/lang/AutoCloseable.java'

     [java]          [ERROR] java.lang.Exception cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/Collection.java'

     [java]          [ERROR] java.lang.Object cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/util/Set.java'

     [java]          [ERROR] java.util.Spliterator cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/i18n/shared/DateTimeFormatInfo.java'

     [java]          [ERROR] java.lang.String cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/lang/IllegalArgumentException.java'

     [java]          [ERROR] java.lang.String cannot be resolved to a type

     [java]       [ERROR] Errors in 'com/google/gwt/emul/java/lang/RuntimeException.java'

     [java]          [ERROR] java.lang.Object cannot be resolved to a type

     [java]       Checked 63 dependencies for errors.

can  anyone help with this?

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GWT Update to 2.8.2

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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Re: Creating Key-Value Pair Javascript Object Using Java

Thanks Jens,

Never heard of  JsPropertyMap before. This really is useful; up to now I had implemented property objects as full-fledged custom JsInterop objects.

Is there some place to read about these JsInterop goodies?

Kind regards,
Max

Am Montag, 28. Mai 2018 13:12:00 UTC+2 schrieb Jens:

With latest GWT you can use jsinterop-base library and then use JsPropertyMap: https://github.com/google/jsinterop-base/blob/master/java/jsinterop/base/JsPropertyMap.java

With older GWT versions you can use JSONObject from com.google.gwt.json.JSON.

-- J.

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