[PDFBOX-1507] Getting Issue at text reading

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Cannot Reproduce
• Affects Version/s: 1.7.1
• Component/s: .NET, Text extraction
• Environment: windows, runing pdfbox in .Net using ikvm-7.2.4630.5 conversion , we are actually converting pdf into ALTO file
• Assignee: Unassigned
• Reporter: Tanmay Mandal
• Created: 04/Feb/13 15:22
• Updated: 11/Oct/14 01:00
• Resolved: 11/Oct/14 01:00

Description

<?xml version="1.0" encoding="UTF-8"?><alto xmlns="http://www.loc.gov/standards/
alto/alto-v2.0.xsd"><Description><MeasurementUnit>inch1200</MeasurementUnit></De
scription><Layout>
<Page>
<PrintSpace>
<TextBlock>
<TextLine>
Feb 04, 2013 8:40:03 PM org.apache.pdfbox.util.PDFStreamEngine processOperator
WARNING: java.lang.NullPointerException
java.lang.NullPointerException
at org.apache.pdfbox.util.PDFTextStripper.processTextPosition(PDFTextStr
ipper.java:954)
at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEn
gine.java:498)
at org.apache.pdfbox.util.operator.ShowTextGlyph.process(ShowTextGlyph.j
ava:62)
at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngin
e.java:556)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngi
ne.java:271)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngi
ne.java:237)
at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.
java:218)
at cli.org.apache.pdfbox.examples.util.PrintWordLocations.processDocumen
ts(PrintWordLocation.cs:185)
at cli.org.apache.pdfbox.examples.util.PrintWordLocations.Main(PrintWord
Location.cs:228)
at cli.System.AppDomain._nExecuteAssembly(Unknown Source)
at cli.System.AppDomain.ExecuteAssembly(Unknown Source)
at cli.Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly(U
nknown Source)

Feb 04, 2013 8:40:03 PM org.apache.pdfbox.util.PDFStreamEngine processOperator
WARNING: java.lang.NullPointerException
java.lang.NullPointerException
at org.apache.pdfbox.util.PDFTextStripper.processTextPosition(PDFTextStr
ipper.java:954)
at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEn
gine.java:498)
at org.apache.pdfbox.util.operator.ShowTextGlyph.process(ShowTextGlyph.j
ava:62)
at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngin
e.java:556)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngi
ne.java:271)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngi
ne.java:237)
at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.
java:218)
at cli.org.apache.pdfbox.examples.util.PrintWordLocations.processDocumen
ts(PrintWordLocation.cs:185)
at cli.org.apache.pdfbox.examples.util.PrintWordLocations.Main(PrintWord
Location.cs:228)
at cli.System.AppDomain._nExecuteAssembly(Unknown Source)
at cli.System.AppDomain.ExecuteAssembly(Unknown Source)
at cli.Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly(U
nknown Source)

Feb 04, 2013 8:40:03 PM org.apache.pdfbox.util.PDFStreamEngine processOperator
WARNING: java.lang.NullPointerException
java.lang.NullPointerException
at org.apache.pdfbox.util.PDFTextStripper.processTextPosition(PDFTextStr
ipper.java:954)
at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEn
gine.java:498)
at org.apache.pdfbox.util.operator.ShowTextGlyph.process(ShowTextGlyph.j
ava:62)
at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngin
e.java:556)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngi
ne.java:271)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngi
ne.java:237)
at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.
java:218)
at cli.org.apache.pdfbox.examples.util.PrintWordLocations.processDocumen
ts(PrintWordLocation.cs:185)
at cli.org.apache.pdfbox.examples.util.PrintWordLocations.Main(PrintWord
Location.cs:228)
at cli.System.AppDomain._nExecuteAssembly(Unknown Source)
at cli.System.AppDomain.ExecuteAssembly(Unknown Source)
at cli.Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly(U
nknown Source)

Feb 04, 2013 8:40:03 PM org.apache.pdfbox.util.PDFStreamEngine processOperator
WARNING: java.lang.NullPointerException
java.lang.NullPointerException
at org.apache.pdfbox.util.PDFTextStripper.processTextPosition(PDFTextStr
ipper.java:954)
at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEn
gine.java:498)
at org.apache.pdfbox.util.operator.ShowTextGlyph.process(ShowTextGlyph.j
ava:62)
at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngin
e.java:556)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngi
ne.java:271)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngi
ne.java:237)
at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.
java:218)
at cli.org.apache.pdfbox.examples.util.PrintWordLocations.processDocumen
ts(PrintWordLocation.cs:185)
at cli.org.apache.pdfbox.examples.util.PrintWordLocations.Main(PrintWord
Location.cs:228)
at cli.System.AppDomain._nExecuteAssembly(Unknown Source)
at cli.System.AppDomain.ExecuteAssembly(Unknown Source)
at cli.Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly(U
nknown Source)

</TextLine>
</TextBlock>
</PrintSpace>
</Page>

We have converted Java code in C# from https://github.com/cokernel/pdf2alto