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From "Jawwad Farooq (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-461) Trying to insert bulk of data
Date Mon, 09 Apr 2012 05:39:18 GMT

    [ https://issues.apache.org/jira/browse/CB-461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13249685#comment-13249685
] 

Jawwad Farooq commented on CB-461:
----------------------------------

Thanks for the comments..

@Filip, I tried to use anonymous function in Javascript but getting same error. I will try
some other flavors to this. Can you please elaborate what do you mean by: use a larger transaction
size to limit the number of INSERT calls being sent to Java.

How this would be possible?
                
> Trying to insert bulk of data
> -----------------------------
>
>                 Key: CB-461
>                 URL: https://issues.apache.org/jira/browse/CB-461
>             Project: Apache Callback
>          Issue Type: Bug
>          Components: Android
>    Affects Versions: 1.5.0
>         Environment: Android, Cordova, JQuery Mobile
>            Reporter: Jawwad Farooq
>            Assignee: Joe Bowser
>              Labels: Android, Plugin, Storage
>
> I tweaked Storage.java class to use it for database related work instead of WebSQL for
Android. Everything is working fine unless I have requirement to insert more than 600 rows
in a go. When I tried to insert so many rows, around 500 rows were inserted successfully but
after that following error occurs:
> W/dalvikvm(16890): ReferenceTable overflow (max=512)
> W/dalvikvm(16890): Last 10 entries in JNI local reference table:
> W/dalvikvm(16890):   502: 0x44a9e110 cls=Ljava/lang/String; (28 bytes)
> W/dalvikvm(16890):   503: 0x44a9e908 cls=Ljava/lang/String; (28 bytes)
> W/dalvikvm(16890):   504: 0x44a9e908 cls=Ljava/lang/String; (28 bytes)
> W/dalvikvm(16890):   505: 0x44a9f358 cls=Ljava/lang/String; (28 bytes)
> W/dalvikvm(16890):   506: 0x44a9f358 cls=Ljava/lang/String; (28 bytes)
> W/dalvikvm(16890):   507: 0x44a9fca0 cls=Ljava/lang/String; (36 bytes)
> W/dalvikvm(16890):   508: 0x44a9fca0 cls=Ljava/lang/String; (36 bytes)
> W/dalvikvm(16890):   509: 0x44b94180 cls=Ljava/lang/String; (28 bytes)
> W/dalvikvm(16890):   510: 0x44b94180 cls=Ljava/lang/String; (28 bytes)
> W/dalvikvm(16890):   511: 0x449a6768
> cls=Lcom/nubinews/reader/Reader$RuntimeJSInterface; (12 bytes)
> W/dalvikvm(16890): JNI local reference table summary (512 entries):
> W/dalvikvm(16890):     1 of Ljava/lang/Class; 164B
> W/dalvikvm(16890):   507 of Ljava/lang/String; 28B (432 unique)
> W/dalvikvm(16890):     3 of Ljava/lang/String; 36B (2 unique)
> W/dalvikvm(16890):     1 of Lcom/nubinews/reader/Reader$RuntimeJSInterface; 12B
> W/dalvikvm(16890): Memory held directly by tracked refs is 12344 bytes
> E/dalvikvm(16890): Failed adding to JNI local ref table (has 512 entries)
> ..... and so on. Then I tried to figure out is this the problem of SQLiteDatabase class
or some Cordova related. So I commented out the actual database insertions in Storage.java.
But the problem persisted. 
> So, I came to a point that if you call a plugin for more than 512 times from a single
Javascript method, this exception will occur. Kindly look it in to this issue and let me know
as I am badly stuck at this point.
> Thanks for your time. 

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