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stackOverFlow with XMLWriter.write

Anand Krishnanandam
Greenhorn

Joined: May 23, 2006
Posts: 25
Hi,
I get a stackOverFlow error while executing this code.




And writer.write(fooXML) leads to :

Caused by: java.lang.StackOverflowError
at java.nio.Buffer.<init>(Unknown Source)
at java.nio.CharBuffer.<init>(Unknown Source)
at java.nio.HeapCharBuffer.<init>(Unknown Source)
at java.nio.CharBuffer.wrap(Unknown Source)
at sun.nio.cs.StreamEncoder$CharsetSE.implWrite(Unknown Source)
at sun.nio.cs.StreamEncoder.write(Unknown Source)
at java.io.OutputStreamWriter.write(Unknown Source)
at java.io.BufferedWriter.flushBuffer(Unknown Source)
at java.io.BufferedWriter.write(Unknown Source)
at java.io.Writer.write(Unknown Source)
at org.dom4j.io.XMLWriter.indent(XMLWriter.java:1531)
at org.dom4j.io.XMLWriter.writeElement(XMLWriter.java:904)
at org.dom4j.io.XMLWriter.writeNode(XMLWriter.java:1301)
at org.dom4j.io.XMLWriter.writeElementContent(XMLWriter.java:1086)
at org.dom4j.io.XMLWriter.writeElement(XMLWriter.java:954)
at org.dom4j.io.XMLWriter.writeNode(XMLWriter.java:1301)
at org.dom4j.io.XMLWriter.writeElementContent(XMLWriter.java:1086)
at org.dom4j.io.XMLWriter.writeElement(XMLWriter.java:954)
at org.dom4j.io.XMLWriter.writeNode(XMLWriter.java:1301)
at org.dom4j.io.XMLWriter.writeElementContent(XMLWriter.java:1086)
at org.dom4j.io.XMLWriter.writeElement(XMLWriter.java:954)
at org.dom4j.io.XMLWriter.writeNode(XMLWriter.java:1301)
at org.dom4j.io.XMLWriter.writeElementContent(XMLWriter.java:1086)
at org.dom4j.io.XMLWriter.writeElement(XMLWriter.java:954)
at org.dom4j.io.XMLWriter.writeNode(XMLWriter.java:1301)
at org.dom4j.io.XMLWriter.writeElementContent(XMLWriter.java:1086)
at org.dom4j.io.XMLWriter.writeElement(XMLWriter.java:954)
at org.dom4j.io.XMLWriter.writeNode(XMLWriter.java:1301)
at org.dom4j.io.XMLWriter.writeElementContent(XMLWriter.java:1086)
at org.dom4j.io.XMLWriter.writeElement(XMLWriter.java:954)
at org.dom4j.io.XMLWriter.writeNode(XMLWriter.java:1301)
at org.dom4j.io.XMLWriter.writeElementContent(XMLWriter.java:1086)

Thanks for the help.
Paul Clapham
Bartender

Joined: Oct 14, 2005
Posts: 18541
    
    8

It appears that the structure of your XML document is very deeply nested.
Anand Krishnanandam
Greenhorn

Joined: May 23, 2006
Posts: 25
I thought it could be the problem of back referencing in the mapping...But how do I investigate it??
I have the following code, with the help of jxpath


(ElementWrapper is Hibernate class that Wraps dom4j elements)


I'm trying to go deeper in the nodes to see if there is a possible back reference that go in to an infinite loop. Any other way that I can find whats going wrong??

Thanks,
Anand
Paul Clapham
Bartender

Joined: Oct 14, 2005
Posts: 18541
    
    8

Infinite loop seems like a good bet to me.
Anand Krishnanandam
Greenhorn

Joined: May 23, 2006
Posts: 25
sorry, I forgot to add. The above code snippet creates the following output:

�622-***********: id-*****- 368563
�622-***********: version-*****- 39
�622-***********: name-*****- simpson
�622-***********: firstName-*****- bart
�622-***********: phoneCountryCode-*****- 66
�622-***********: phone-*****- 11-111-1111
�622-***********: phoneOnlyNumeric-*****- 1111111111
�622-***********: mobilePhone-*****- 11-111-1111
�622-***********: mobilePhoneCountryCode-*****- 66
�622-***********: email-*****- bart@hotmail.com
�622-***********: middleName-*****- -
�622-***********: whenBorn-*****- 1111-04-08 00:00:00
�622-***********: isActive-*****- true
�622-***********: whenCreated-*****- 1111-02-25 00:35:00
�622-***********: createdBy-*****- 1
�622-***********: whenModified-*****- 1111-03-30 04:57:03
�622-***********: modifiedBy-*****- 1111111
�622-***********: addresses-*****-
�622-***********: emailAddresses-*****-
�622-***********: flags-*****-
�622-***********: password-*****- excuseme
�637-***********: isOkToLogin-*****- true
�637-***********: pwdToken-*****- ET2Z95P77ESSBAFB9QPB0RTW44HMM2EK
�637-***********: whenLastGoodLogin-*****- 2008-06-16 05:18:00
�637-***********: isRegistered-*****- true
�637-***********: birthCity-*****- Nakhon Phanom
�637-***********: passportNbr-*****- q123456
�637-***********: bestTimeToCall-*****- any time
�637-***********: altPhone-*****- 11-111-1111
�637-***********: altPhoneCountryCode-*****- 66
�637-***********: altPhoneBestTimeToCall-*****- anytime
�637-***********: bestWayToContact-*****-
�637-***********: isPrematched-*****- false
�637-***********: otherHobbies-*****- My hobbies are aerobic , Music and Photpgraphy. And intersts are camping , drawing , swimming , table Tennis , Badminton, Baseball,travel,cooking.
�637-***********: mobilePhoneBestTimeToCall-*****- anytime
�637-***********: genderCode-*****- F
�637-***********: isAPCLeadQualified-*****- false
�637-***********: referredBy-*****- A Co., Ltd.
�637-***********: qualifiedInfantSpecialized-*****- false
�637-***********: circulatedInfantSpecialized-*****- false
�637-***not a defaultElement-*****- howAppEnteredWebApp
�637-***not a defaultElement-*****- extensionInfo
�637-***not a defaultElement-*****- fooApp
�637-***not a defaultElement-*****- religion
�637-***not a defaultElement-*****- religiousFervor
�637-***********: partner-*****- 29560
�637-***not a defaultElement-*****- country
�637-***not a defaultElement-*****- country
�637-***not a defaultElement-*****- country
�637-***not a defaultElement-*****- country
�637-***not a defaultElement-*****- country
�637-***not a defaultElement-*****- nativeLanguage
�637-***not a defaultElement-*****- departureGateway
�637-***not a defaultElement-*****- status
�637-***********: placements-*****-
�637-***********: selections-*****-
Anand Krishnanandam
Greenhorn

Joined: May 23, 2006
Posts: 25
I now could do a recursive call and went deep in to the element. The recursive call works fine and doesn't seem to go in to an infinite loop.
Then why would a stckOverFlow happen?
 
Consider Paul's rocket mass heater.
 
subject: stackOverFlow with XMLWriter.write
 
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