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https://issues.apache.org/jira/browse/PDFBOX-3165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15056871#comment-15056871
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Maruan Sahyoun commented on PDFBOX-3165:
----------------------------------------
That's a duplicate of PDFBOX-3161. What we might be able to do is ignore (some)
special characters. Would you have a sample form to replicate the issue?
> Tab characters in PDTextField cause error when using .flatten()
> ---------------------------------------------------------------
>
> Key: PDFBOX-3165
> URL: https://issues.apache.org/jira/browse/PDFBOX-3165
> Project: PDFBox
> Issue Type: Bug
> Components: AcroForm, FontBox
> Affects Versions: 2.0.0
> Environment: Ubuntu, JDK7
> Reporter: Aaron Eischeid
>
> pdf form gets filled in, then call I call .flatten(fields, true) which last I
> knew was undocumented, but anyway I needed the refreshAppearences for
> pdfViewers that don't support acroForms like pdf.js
> If a tab character some how gets entered into the PDTextField it chokes. I am
> worried other somewhat common characters might have similar issues, but
> haven't experimented so far.
> Using RC2 of pdfBox and fontBox. and fonts in pdfForm elements were all set
> to Arial.
> Relavent stacktrace:
> {
> "cause": {
> "cause": null,
> "class": "java.lang.IllegalArgumentException",
> "localizedMessage": "U+0009 is not available in this font's Encoding",
> "message": "U+0009 is not available in this font's Encoding",
> "stackTrace": [
> {
> "class": "java.lang.StackTraceElement",
> "className": "org.apache.pdfbox.pdmodel.font.PDTrueTypeFont",
> "fileName": "PDTrueTypeFont.java",
> "lineNumber": 358,
> "methodName": "encode",
> "nativeMethod": false
> },
> {
> "class": "java.lang.StackTraceElement",
> "className": "org.apache.pdfbox.pdmodel.font.PDFont",
> "fileName": "PDFont.java",
> "lineNumber": 283,
> "methodName": "encode",
> "nativeMethod": false
> },
> {
> "class": "java.lang.StackTraceElement",
> "className": "org.apache.pdfbox.pdmodel.font.PDFont",
> "fileName": "PDFont.java",
> "lineNumber": 312,
> "methodName": "getStringWidth",
> "nativeMethod": false
> },
> {
> "class": "java.lang.StackTraceElement",
> "className":
> "org.apache.pdfbox.pdmodel.interactive.form.PlainTextFormatter",
> "fileName": "PlainTextFormatter.java",
> "lineNumber": 193,
> "methodName": "format",
> "nativeMethod": false
> },
> {
> "class": "java.lang.StackTraceElement",
> "className":
> "org.apache.pdfbox.pdmodel.interactive.form.AppearanceGeneratorHelper",
> "fileName": "AppearanceGeneratorHelper.java",
> "lineNumber": 373,
> "methodName": "insertGeneratedAppearance",
> "nativeMethod": false
> },
> {
> "class": "java.lang.StackTraceElement",
> "className":
> "org.apache.pdfbox.pdmodel.interactive.form.AppearanceGeneratorHelper",
> "fileName": "AppearanceGeneratorHelper.java",
> "lineNumber": 237,
> "methodName": "setAppearanceContent",
> "nativeMethod": false
> },
> {
> "class": "java.lang.StackTraceElement",
> "className":
> "org.apache.pdfbox.pdmodel.interactive.form.AppearanceGeneratorHelper",
> "fileName": "AppearanceGeneratorHelper.java",
> "lineNumber": 144,
> "methodName": "setAppearanceValue",
> "nativeMethod": false
> },
> {
> "class": "java.lang.StackTraceElement",
> "className": "org.apache.pdfbox.pdmodel.interactive.form.PDTextField",
> "fileName": "PDTextField.java",
> "lineNumber": 263,
> "methodName": "constructAppearances",
> "nativeMethod": false
> },
> {
> "class": "java.lang.StackTraceElement",
> "className": "org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm",
> "fileName": "PDAcroForm.java",
> "lineNumber": 287,
> "methodName": "refreshAppearances",
> "nativeMethod": false
> },
> {
> "class": "java.lang.StackTraceElement",
> "className": "org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm",
> "fileName": "PDAcroForm.java",
> "lineNumber": 211,
> "methodName": "flatten",
> "nativeMethod": false
> },
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