java.lang.NullPointerException at water.Lockable.set_unlocked

[Aaron Hoffer]

Unsuccessful attempt to import of data from public S3 file.

Using h2o integrated with R Studio (v2.4.3.11).

R command: 

libmut.hex = h2o.importFile(localH2O, path = "https://s3.amazonaws.com/<snip>train.csv", key = "libmut.hex", header=TRUE)

06-Aug 10:51:57.099 127.0.0.1:54321       15697 # Session ERRR WATER: Exception caught in Frame::readPut; attempting to clean up the new frame and vector
06-Aug 10:51:57.100 127.0.0.1:54321       15697 # Session ERRR WATER:
+                                                                     java.lang.NullPointerException
+                                                                       at water.Lockable.set_unlocked(Lockable.java:211)
+                                                                       at water.Lockable.access$200(Lockable.java:23)
+                                                                       at water.Lockable$Unlock.atomic(Lockable.java:181)
+                                                                       at water.Lockable$Unlock.atomic(Lockable.java:176)
+                                                                       at water.TAtomic.atomic(TAtomic.java:19)
+                                                                       at water.Atomic.compute2(Atomic.java:58)
+                                                                       at water.Atomic.fork(Atomic.java:42)
+                                                                       at water.Atomic.invoke(Atomic.java:34)
+                                                                       at water.Lockable.unlock(Lockable.java:171)
+                                                                       at water.fvec.UploadFileVec.readPut(UploadFileVec.java:98)
+                                                                       at water.fvec.UploadFileVec.readPut(UploadFileVec.java:47)
+                                                                       at water.api.ImportFiles2.serveHttp(ImportFiles2.java:152)
+                                                                       at water.api.ImportFiles2.serve(ImportFiles2.java:75)
+                                                                       at water.api.Request.serveGrid(Request.java:140)
+                                                                       at water.Request2.superServeGrid(Request2.java:478)
+                                                                       at water.Request2.serveGrid(Request2.java:399)
+                                                                       at water.api.Request.serve(Request.java:117)
+                                                                       at water.api.RequestServer.serve(RequestServer.java:389)
+                                                                       at water.NanoHTTPD$HTTPSession.run(NanoHTTPD.java:425)
+                                                                       at java.lang.Thread.run(Thread.java:745)
06-Aug 10:51:57.122 127.0.0.1:54321       15697 # Session ERRR WATER: Frame::readPut cleaned up new frame and vector successfully

[Aaron Hoffer]

I'm not sure if I should have posted this problem here or in the github project for h2o. -OP

[Tom Kraljevic]

Hi Aaron,

This build is about two months old now, and we have fixed many issues in the meantime.

I recommend you upgrade to the latest stable release

    http://s3.amazonaws.com/h2o-release/h2o/rel-kramer/1/index.html

or you can wait for the next push to CRAN.  A new CRAN release will be available very soon.

Thanks,

Tom

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