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Type: Bug
Resolution: Fixed
Priority: Major
Fix Version/s: 5.2.0
Affects Version/s: 5.1.1
Component/s: Importer
Security Level: Jimmy
Labels:
None

Steps to Reproduce

Open the attached repro.xslx in importer

Current Result

 Fail to import cell A1 in sheet Sheet1 from book Repro.xlsxCaused by:io.keikai.importer.ImportException: Fail to import cell A1 in sheet Sheet1 from book Repro.xlsx
	at io.keikai.importer.XlsxImporter.imports(XlsxImporter.java:300)
	at io.keikai.range.impl.imexp.ExcelImportAdapter.imports(ExcelImportAdapter.java:48)
	at io.keikai.range.impl.imexp.AbstractImporter.imports(AbstractImporter.java:57)
	at io.keikai.ui.Spreadsheet.getSBook(Spreadsheet.java:634)
	at io.keikai.ui.Spreadsheet.getSelectedSSheet(Spreadsheet.java:813)
	at io.keikai.ui.Spreadsheet.doInvalidate(Spreadsheet.java:2494)
	at io.keikai.ui.Spreadsheet.invalidate(Spreadsheet.java:2351)
	at io.keikai.ui.Spreadsheet.setSrc(Spreadsheet.java:853)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.zkoss.zk.ui.metainfo.Property.assign0(Property.java:332)
	at org.zkoss.zk.ui.metainfo.Property.assign(Property.java:174)
	at org.zkoss.zk.ui.metainfo.ComponentInfo.applyProperties(ComponentInfo.java:742)
	at org.zkoss.zk.ui.impl.AbstractUiFactory.newComponent(AbstractUiFactory.java:146)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild0(UiEngineImpl.java:924)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:894)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:781)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate(UiEngineImpl.java:745)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild0(UiEngineImpl.java:939)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:894)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:781)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:841)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:799)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate(UiEngineImpl.java:745)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:466)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:374)
	at org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:215)
	at org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:140)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:326)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: java.lang.NullPointerException
	at io.keikai.util.XlsxJsonHelper.toBool(XlsxJsonHelper.java:62)
	at io.keikai.importer.XlsxExtractor$XlsxProtectionExtractor.isLocked(XlsxExtractor.java:1135)
	at io.keikai.importer.XlsxImporter.importCellXf(XlsxImporter.java:2073)
	at io.keikai.importer.XlsxImporter.importCell(XlsxImporter.java:1352)
	at io.keikai.importer.XlsxImporter.importRow(XlsxImporter.java:1339)
	at io.keikai.importer.XlsxImporter.imports(XlsxImporter.java:269)
	... 46 more
Caused by:java.lang.NullPointerException
	at io.keikai.util.XlsxJsonHelper.toBool(XlsxJsonHelper.java:62)
	at io.keikai.importer.XlsxExtractor$XlsxProtectionExtractor.isLocked(XlsxExtractor.java:1135)
	at io.keikai.importer.XlsxImporter.importCellXf(XlsxImporter.java:2073)
	at io.keikai.importer.XlsxImporter.importCell(XlsxImporter.java:1352)
	at io.keikai.importer.XlsxImporter.importRow(XlsxImporter.java:1339)
	at io.keikai.importer.XlsxImporter.imports(XlsxImporter.java:269)
	at io.keikai.range.impl.imexp.ExcelImportAdapter.imports(ExcelImportAdapter.java:48)
	at io.keikai.range.impl.imexp.AbstractImporter.imports(AbstractImporter.java:57)
	at io.keikai.ui.Spreadsheet.getSBook(Spreadsheet.java:634)
	at io.keikai.ui.Spreadsheet.getSelectedSSheet(Spreadsheet.java:813)
	at io.keikai.ui.Spreadsheet.doInvalidate(Spreadsheet.java:2494)
	at io.keikai.ui.Spreadsheet.invalidate(Spreadsheet.java:2351)
	at io.keikai.ui.Spreadsheet.setSrc(Spreadsheet.java:853)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.zkoss.zk.ui.metainfo.Property.assign0(Property.java:332)
	at org.zkoss.zk.ui.metainfo.Property.assign(Property.java:174)
	at org.zkoss.zk.ui.metainfo.ComponentInfo.applyProperties(ComponentInfo.java:742)
	at org.zkoss.zk.ui.impl.AbstractUiFactory.newComponent(AbstractUiFactory.java:146)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild0(UiEngineImpl.java:924)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:894)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:781)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate(UiEngineImpl.java:745)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild0(UiEngineImpl.java:939)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:894)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:781)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:841)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:799)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate(UiEngineImpl.java:745)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:466)
	at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:374)
	at org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:215)
	at org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:140)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:326)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)

Expected Result

empty protection should be treated as not existing, instead of being imported with a null content

Debug Information

importing from Repro.xlsx\xl\styles.xml

The protection object looks like:

<cellXfs count="2">
    <xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0" applyProtection="1">
        <protection />
    </xf>
    <xf numFmtId="0" fontId="1" fillId="0" borderId="1" xfId="1" applyProtection="1">
        <protection/>
    </xf>
</cellXfs>

When importing these styles, XlsxProtectionExtractor / XlsxXfExtractor are initialized with a jsonMap containing {protection: null}, which then triggers the NPE when another method tries to access the content of protection.

Workaround

remove the empty <protection/> element from xlsx file.

Check for null before initializing the extractor with the jsonMap content

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ImportTest_10965.java
0.3 kB
16/Mar/20 7:05 AM
Repro.xlsx
9 kB
16/Mar/20 6:51 AM

blocks

KEIKAI-212 absolute sheet relation paths causing errors

Closed

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