[ 
https://issues.apache.org/jira/browse/ARROW-10555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Litchy Soong updated ARROW-10555:
---------------------------------
    Description: 
when I call  ArrowStreamReader.vectorSchemaRoot(),  

{{: (-520103681 < 0) 2020-11-09 07:09:07,033 ERROR ........MyModule - Error 
stack trace java.base/java.nio.
 Buffer.createCapacityException(Buffer.java:256) 
java.base/java.nio.ByteBuffer.allocate(ByteBuffer.java:347) 
 
com.intel.analytics.zoo.shaded.arrow.vector.ipc.message.MessageSerializer.readMessage(MessageSerializer.java:692)
 
com.intel.analytics.zoo.shaded.arrow.vector.ipc.message.MessageChannelReader.readNext(MessageChannelReader.java:57)
 
 
com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowStreamReader.readSchema(ArrowStreamReader.java:164)
 
com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowReader.initialize(ArrowReader.java:170)
 
 
com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowReader.ensureInitialized(ArrowReader.java:161)}}

{{com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowReader.getVectorSchemaRoot(ArrowReader.java:63)}}

 

 

{{The messageLength is negative, code is in MessageSerializer.java}}

 

messageLength = MessageSerializer.bytesToInt(buffer.array());\{{}}

 

{{and error is raised in }}

 

ByteBuffer messageBuffer = ByteBuffer.allocate(messageLength);\{{}}

 

I tried to use minimal reproduce code to reproduce the error but I could not 
reproduce it. So *any ideas that when can it get negative messageLength*?  This 
error occurs occasionally in my program.

  was:
when I call  ArrowStreamReader.vectorSchemaRoot(),  

{{: (-520103681 < 0)                                                            
                                                     2020-11-09 07:09:07,033 
ERROR com.intel.analytics.zoo.serving.PreProcessing                 - Error 
stack trace java.base/java.nio.
Buffer.createCapacityException(Buffer.java:256)                                 
                                                   
java.base/java.nio.ByteBuffer.allocate(ByteBuffer.java:347)                     
                                                   
com.intel.analytics.zoo.shaded.arrow.vector.ipc.message.MessageSerializer.readMessage(MessageSerializer.java:692)
                  
com.intel.analytics.zoo.shaded.arrow.vector.ipc.message.MessageChannelReader.readNext(MessageChannelReader.java:57)
                
com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowStreamReader.readSchema(ArrowStreamReader.java:164)
                           
com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowReader.initialize(ArrowReader.java:170)
                                       
com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowReader.ensureInitialized(ArrowReader.java:161)}}

{{com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowReader.getVectorSchemaRoot(ArrowReader.java:63)}}

{{}}

{{}}

{{The messageLength is negative, code is in MessageSerializer.java}}

{{}}

messageLength = MessageSerializer.bytesToInt(buffer.array());{{}}

{{}}

{{}}

{{and error is raised in }}

{{}}

ByteBuffer messageBuffer = ByteBuffer.allocate(messageLength);{{}}

{{}}

I tried to use minimal reproduce code to reproduce the error but I could not 
reproduce it. So *any ideas that when can it get negative messageLength*?  This 
error occurs occasionally in my program.


> Java API get negative messageLength
> -----------------------------------
>
>                 Key: ARROW-10555
>                 URL: https://issues.apache.org/jira/browse/ARROW-10555
>             Project: Apache Arrow
>          Issue Type: Bug
>    Affects Versions: 1.0.1
>            Reporter: Litchy Soong
>            Priority: Major
>
> when I call  ArrowStreamReader.vectorSchemaRoot(),  
> {{: (-520103681 < 0) 2020-11-09 07:09:07,033 ERROR ........MyModule - Error 
> stack trace java.base/java.nio.
>  Buffer.createCapacityException(Buffer.java:256) 
> java.base/java.nio.ByteBuffer.allocate(ByteBuffer.java:347) 
>  
> com.intel.analytics.zoo.shaded.arrow.vector.ipc.message.MessageSerializer.readMessage(MessageSerializer.java:692)
>  
> com.intel.analytics.zoo.shaded.arrow.vector.ipc.message.MessageChannelReader.readNext(MessageChannelReader.java:57)
>  
>  
> com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowStreamReader.readSchema(ArrowStreamReader.java:164)
>  
> com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowReader.initialize(ArrowReader.java:170)
>  
>  
> com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowReader.ensureInitialized(ArrowReader.java:161)}}
> {{com.intel.analytics.zoo.shaded.arrow.vector.ipc.ArrowReader.getVectorSchemaRoot(ArrowReader.java:63)}}
>  
>  
> {{The messageLength is negative, code is in MessageSerializer.java}}
>  
> messageLength = MessageSerializer.bytesToInt(buffer.array());\{{}}
>  
> {{and error is raised in }}
>  
> ByteBuffer messageBuffer = ByteBuffer.allocate(messageLength);\{{}}
>  
> I tried to use minimal reproduce code to reproduce the error but I could not 
> reproduce it. So *any ideas that when can it get negative messageLength*?  
> This error occurs occasionally in my program.



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