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HTM.Java Example & Demo Apps (Executable Jars)

License: GNU Affero General Public License v3.0

Java 100.00%

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Fix examples that use wrong TM output

It was recently discovered that the TM output used within the Network API was "predictiveCells" instead of "activeCells". This issue calls for fixing any erroneous output that may result from fixing this oversight.

Need to add change log to repo

This way we can track progress and associate modifications to its main repo htm.java

Initial checkin

Initial checkin of examples code

Build fails running hotgym.NetworkAPIDemoTest

// stack trace for testCreateMultiRegionNetwork
java.lang.NullPointerException
at org.numenta.nupic.network.Layer.calculateInputWidth(Layer.java:485)
at org.numenta.nupic.network.Layer.close(Layer.java:429)
at org.numenta.nupic.network.Region.close(Region.java:151)
at org.numenta.nupic.network.Region.observe(Region.java:267)
at org.numenta.nupic.network.Network.observe(Network.java:345)
at org.numenta.nupic.examples.napi.hotgym.NetworkAPIDemo.(NetworkAPIDemo.java:84)
at org.numenta.nupic.examples.napi.hotgym.NetworkAPIDemoTest.testCreateMultiRegionNetwork(NetworkAPIDemoTest.java:40)

Sync Demos with v0.6.2-alpha

Currently the demos are in sync with 0.6.2-SNAPSHOT

Ubuntu - Eclipse - NetworkAPIDemo - NoClassDefFoundError: no/uib/cipr/matrix/sparse/FlexCompRowMatrix

Dear All,
I am facing problems, while trying to run the NetworkAPIDemo example.
If I try to run the code, I get the error:

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Exception in thread "main" java.lang.NoClassDefFoundError: no/uib/cipr/matrix/sparse/FlexCompRowMatrix
	at org.numenta.nupic.algorithms.SDRClassifier.<init>(SDRClassifier.java:180)
	at org.numenta.nupic.algorithms.SDRClassifier.<init>(SDRClassifier.java:159)
	at org.numenta.nupic.network.Layer.makeClassifiers(Layer.java:1947)
	at org.numenta.nupic.network.Layer.close(Layer.java:504)
	at org.numenta.nupic.network.Region.close(Region.java:199)
	at org.numenta.nupic.network.Region.observe(Region.java:315)
	at org.numenta.nupic.network.Network.observe(Network.java:535)
	at Intro2.NetworkAPIDemo.<init>(NetworkAPIDemo.java:66)
	at Intro2.NetworkAPIDemo.main(NetworkAPIDemo.java:242)
Caused by: java.lang.ClassNotFoundException: no.uib.cipr.matrix.sparse.FlexCompRowMatrix
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 9 more

If I add the dependency to the POM file:
com.googlecode.matrix-toolkits-java.mtj.1.0.2
I get the error:

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Exception in thread "Sensor Layer [Region 1:Layer 5] Thread" java.lang.NoSuchMethodError: no.uib.cipr.matrix.sparse.FlexCompRowMatrix.addCol([D)V
	at org.numenta.nupic.algorithms.SDRClassifier.compute(SDRClassifier.java:280)
	at org.numenta.nupic.network.Layer$FunctionFactory$3.call(Layer.java:2372)
	at org.numenta.nupic.network.Layer$FunctionFactory$3.call(Layer.java:2345)
	at rx.internal.operators.OperatorMap$1.onNext(OperatorMap.java:55)
	at rx.internal.operators.OperatorMap$1.onNext(OperatorMap.java:55)
	at rx.internal.operators.OperatorFilter$1.onNext(OperatorFilter.java:54)
	at rx.internal.operators.OperatorMap$1.onNext(OperatorMap.java:55)
	at rx.internal.operators.OperatorCast$1.onNext(OperatorCast.java:50)
	at rx.internal.operators.OperatorFilter$1.onNext(OperatorFilter.java:54)
	at rx.subjects.SubjectSubscriptionManager$SubjectObserver.onNext(SubjectSubscriptionManager.java:224)
	at rx.subjects.PublishSubject.onNext(PublishSubject.java:114)
	at org.numenta.nupic.network.Layer.compute(Layer.java:956)
	at org.numenta.nupic.network.Region$2.onNext(Region.java:653)
	at org.numenta.nupic.network.Region$2.onNext(Region.java:646)
	at org.numenta.nupic.network.Layer$3.onNext(Layer.java:1863)
	at org.numenta.nupic.network.Layer$3.onNext(Layer.java:1843)
	at rx.Observable$33.onNext(Observable.java:7480)
	at rx.observers.SafeSubscriber.onNext(SafeSubscriber.java:130)
	at rx.internal.operators.OperatorMap$1.onNext(OperatorMap.java:55)
	at rx.internal.operators.OperatorFilter$1.onNext(OperatorFilter.java:54)
	at rx.internal.operators.OperatorMap$1.onNext(OperatorMap.java:55)
	at rx.internal.operators.OperatorCast$1.onNext(OperatorCast.java:50)
	at rx.internal.operators.OperatorFilter$1.onNext(OperatorFilter.java:54)
	at rx.subjects.SubjectSubscriptionManager$SubjectObserver.onNext(SubjectSubscriptionManager.java:224)
	at rx.subjects.PublishSubject.onNext(PublishSubject.java:114)
	at org.numenta.nupic.network.Layer.compute(Layer.java:956)
	at org.numenta.nupic.network.Region$2.onNext(Region.java:653)
	at org.numenta.nupic.network.Region$2.onNext(Region.java:646)
	at org.numenta.nupic.network.Layer$3.onNext(Layer.java:1863)
	at org.numenta.nupic.network.Layer$3.onNext(Layer.java:1843)
	at rx.Observable$33.onNext(Observable.java:7480)
	at rx.observers.SafeSubscriber.onNext(SafeSubscriber.java:130)
	at rx.internal.operators.OperatorMap$1.onNext(OperatorMap.java:55)
	at rx.internal.operators.OperatorFilter$1.onNext(OperatorFilter.java:54)
	at rx.internal.operators.OperatorMap$1.onNext(OperatorMap.java:55)
	at rx.internal.operators.OperatorCast$1.onNext(OperatorCast.java:50)
	at rx.internal.operators.OperatorFilter$1.onNext(OperatorFilter.java:54)
	at rx.subjects.SubjectSubscriptionManager$SubjectObserver.onNext(SubjectSubscriptionManager.java:224)
	at rx.subjects.PublishSubject.onNext(PublishSubject.java:114)
	at org.numenta.nupic.network.Layer.compute(Layer.java:956)
	at org.numenta.nupic.network.Layer$5.lambda$run$1(Layer.java:2039)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
	at java.util.Iterator.forEachRemaining(Iterator.java:116)
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at org.numenta.nupic.network.Layer$5.run(Layer.java:2036)
Caused by: rx.exceptions.OnErrorThrowable$OnNextValue: OnError while emitting onNext value: org.numenta.nupic.network.ManualInput.class
	at rx.exceptions.OnErrorThrowable.addValueAsLastCause(OnErrorThrowable.java:101)
	at rx.internal.operators.OperatorFilter$1.onNext(OperatorFilter.java:60)
	... 46 more
Caused by: rx.exceptions.OnErrorThrowable$OnNextValue: OnError while emitting onNext value: [I.class
	at rx.exceptions.OnErrorThrowable.addValueAsLastCause(OnErrorThrowable.java:101)
	at rx.internal.operators.OperatorCast$1.onNext(OperatorCast.java:52)
	... 16 more

I encountered the problem with both openjdk1.8 and oracle_jdk1.8 as well.

com.googlecode.matrix-toolkits-java.mtj.1.0.2 can be found in the .m2 folder (I'm using Maven with Eclipse).

I tried running it on two computers, it worked with one of the computers, but the same code did not work with another computer. I did not bother with the Cortico examples, so external libraries should not cause any problem. In the POM file, I specify only the dependency org.numenta.htm.java.0.6.13

Can someone please give me an advice on what can be wrong? I copy-pasted the code from the github repository without modification.

Thank you for any help!

Wrong Version of cortical-twitterutils in Maven

<dependency>
	<groupId>cortical</groupId>
	<artifactId>cortical-twitterutils</artifactId>
	<version>0.9.1</version>
</dependency>

While version is 0.9 in POM

Examples need their tests moved into this repo

Title says it all

Add original 15-minute Hotgym data (enhancement)

See numenta/htm.java#363

build failed

:compileJava

FAILURE: Build failed with an exception.
- What went wrong:
  Could not resolve all dependencies for configuration ':compile'.
  
  > Could not find cortical:cortical-fxwidgets:0.9.
  > Searched in the following locations:
  >     https://repo1.maven.org/maven2/cortical/cortical-fxwidgets/0.9/cortical-fxwidgets-0.9.pom
  >     https://repo1.maven.org/maven2/cortical/cortical-fxwidgets/0.9/cortical-fxwidgets-0.9.jar
  >     file:~/java/htm.java-examples/libs/cortical/cortical-fxwidgets/0.9/cortical-fxwidgets-0.9.pom
  >     file~/java/htm.java-examples/libs/cortical/cortical-fxwidgets/0.9/cortical-fxwidgets-0.9.jar
  > Required by:
  >     org.numenta:htm.java-examples:0.6.8
  > Could not find cortical:cortical-twitterutils:0.9.
  > Searched in the following locations:
  >     https://repo1.maven.org/maven2/cortical/cortical-twitterutils/0.9/cortical-twitterutils-0.9.pom
  >     https://repo1.maven.org/maven2/cortical/cortical-twitterutils/0.9/cortical-twitterutils-0.9.jar
  >     file:~/java/htm.java-examples/libs/cortical/cortical-twitterutils/0.9/cortical-twitterutils-0.9.pom
  >     file:~/java/htm.java-examples/libs/cortical/cortical-twitterutils/0.9/cortical-twitterutils-0.9.jar
  > Required by:
  >     org.numenta:htm.java-examples:0.6.8
- Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED```

Sync demos with HTM.Java v0.6.12-alpha

The demos haven't been updated in a while and need to be in sync with the latest version of HTM.java

BreakingNewsDemo: Joda time throws IllegalArgumentException with different locale set.

When I run the BreakingNewsDemo, I get the following exception:

Exception in thread "JavaFX Application Thread" java.lang.IllegalArgumentException: Invalid format: "Fri Feb 01 12:52:15  2013" is malformed at "i Feb 01 12:52:15  2013"
at org.joda.time.format.DateTimeFormatter.parseDateTime(DateTimeFormatter.java:899)
at io.cortical.twitter.TweetUtilities.getCreateDate(TweetUtilities.java:127)
at io.cortical.twitter.TweetUtilities.getCreateDate(TweetUtilities.java:116)
at io.cortical.twitter.TweetUtilities.sortTweet(TweetUtilities.java:153)
at io.cortical.twitter.TweetUtilities.lambda$1(TweetUtilities.java:73)
at java.util.TimSort.countRunAndMakeAscending(TimSort.java:355)
at java.util.TimSort.sort(TimSort.java:234)
at java.util.Arrays.sort(Arrays.java:1512)
at java.util.ArrayList.sort(ArrayList.java:1454)
at java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:387)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at org.numenta.nupic.examples.cortical_io.breakingnews.BreakingNewsDemo.start(BreakingNewsDemo.java:172)
at org.numenta.nupic.examples.cortical_io.breakingnews.BreakingNewsDemo.lambda$4(BreakingNewsDemo.java:335)
at com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:182)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:144)
at org.numenta.nupic.examples.cortical_io.breakingnews.BreakingNewsDemoView.lambda$13(BreakingNewsDemoView.java:242)
at com.sun.javafx.application.PlatformImpl.lambda$null$174(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$175(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
at com.sun.glass.ui.gtk.GtkApplication.lambda$null$50(GtkApplication.java:139)
at java.lang.Thread.run(Thread.java:745)

It turns out that the reason for this has been that the system locale was set to de_DE. Setting it to the default, and everything works as expected.

The actual problem is apparently rooted in the TweetUtilities package to which I couldn't find the sources though.

Need to Create README.md for this repo

Needs landing page to explain purpose and orient visitors

Exception in thread "main" java.lang.UnsupportedClassVersionError

OSX 10.10.2

Exception in thread "main" java.lang.UnsupportedClassVersionError: org/numenta/nupic/examples/cortical_io/breakingnews/BreakingNewsDemo : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)

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