Apache POI Workbook class not found





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First, I want let you know what I'm using:




  • Eclipse IDE 2018-09 (4.9.0) Java-SE 10

  • Apache POI 4.0.0-20180907


I don't mixing any JARs files with other version and I add to my project all the JARs in the folder except "poi-examples-4.0.0".



Let take a look of this code:



import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import org.apache.poi.ss.usermodel.Workbook;



public class Program

{

    public static void main(String args)

    {

        Workbook workbook = new HSSFWorkbook();

    }

}


I getting this error:




Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/hssf/usermodel/HSSFWorkbook
at Program.main(Program.java:8)
Caused by: java.lang.ClassNotFoundException: org.apache.poi.hssf.usermodel.HSSFWorkbook
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 1 more




And if I'm trying this code:



import org.apache.poi.ss.usermodel.Workbook;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;



public class Program

{

    public static void main(String args)

    {

        Workbook workbook = new XSSFWorkbook();

    }

}


I getting this error:




Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/xssf/usermodel/XSSFWorkbook
at Program.main(Program.java:8)
Caused by: java.lang.ClassNotFoundException: org.apache.poi.xssf.usermodel.XSSFWorkbook
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 1 more




Can someone can explain me what I'm doing wrong?






java apache-poi







share|improve this question























  • Maven dependency to use: <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>4.0.0</version> </dependency>

    – XtremeBaumer
    Nov 16 '18 at 13:38








  • 1





    NoClassDefFoundError is a run time error. So while compile time the class HSSFWorkbook was found. But on run time the same class was not found. So there must be a discrepancy between class path settings compile time vs. run time. Check your IDE settings for that. But for using XSSFWorkbook please read: Can Apache POI be compiled/used with Java 10 or newer?.

    – Axel Richter
    Nov 16 '18 at 15:04













  • @AxelRichter thank you very much, do you have any suggestion for alternative project that support java 10?

    – Hazan
    Nov 16 '18 at 15:10













  • Apache POI does support Java 10, just not with modules, see the FAQ which Axel linked to!

    – Gagravarr
    Nov 16 '18 at 16:34


















0















First, I want let you know what I'm using:




  • Eclipse IDE 2018-09 (4.9.0) Java-SE 10

  • Apache POI 4.0.0-20180907


I don't mixing any JARs files with other version and I add to my project all the JARs in the folder except "poi-examples-4.0.0".



Let take a look of this code:



import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import org.apache.poi.ss.usermodel.Workbook;



public class Program

{

    public static void main(String args)

    {

        Workbook workbook = new HSSFWorkbook();

    }

}


I getting this error:




Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/hssf/usermodel/HSSFWorkbook
at Program.main(Program.java:8)
Caused by: java.lang.ClassNotFoundException: org.apache.poi.hssf.usermodel.HSSFWorkbook
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 1 more




And if I'm trying this code:



import org.apache.poi.ss.usermodel.Workbook;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;



public class Program

{

    public static void main(String args)

    {

        Workbook workbook = new XSSFWorkbook();

    }

}


I getting this error:




Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/xssf/usermodel/XSSFWorkbook
at Program.main(Program.java:8)
Caused by: java.lang.ClassNotFoundException: org.apache.poi.xssf.usermodel.XSSFWorkbook
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 1 more




Can someone can explain me what I'm doing wrong?






java apache-poi







share|improve this question























  • Maven dependency to use: <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>4.0.0</version> </dependency>

    – XtremeBaumer
    Nov 16 '18 at 13:38








  • 1





    NoClassDefFoundError is a run time error. So while compile time the class HSSFWorkbook was found. But on run time the same class was not found. So there must be a discrepancy between class path settings compile time vs. run time. Check your IDE settings for that. But for using XSSFWorkbook please read: Can Apache POI be compiled/used with Java 10 or newer?.

    – Axel Richter
    Nov 16 '18 at 15:04













  • @AxelRichter thank you very much, do you have any suggestion for alternative project that support java 10?

    – Hazan
    Nov 16 '18 at 15:10













  • Apache POI does support Java 10, just not with modules, see the FAQ which Axel linked to!

    – Gagravarr
    Nov 16 '18 at 16:34














0












0








0








First, I want let you know what I'm using:




  • Eclipse IDE 2018-09 (4.9.0) Java-SE 10

  • Apache POI 4.0.0-20180907


I don't mixing any JARs files with other version and I add to my project all the JARs in the folder except "poi-examples-4.0.0".



Let take a look of this code:



import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import org.apache.poi.ss.usermodel.Workbook;



public class Program

{

    public static void main(String args)

    {

        Workbook workbook = new HSSFWorkbook();

    }

}


I getting this error:




Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/hssf/usermodel/HSSFWorkbook
at Program.main(Program.java:8)
Caused by: java.lang.ClassNotFoundException: org.apache.poi.hssf.usermodel.HSSFWorkbook
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 1 more




And if I'm trying this code:



import org.apache.poi.ss.usermodel.Workbook;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;



public class Program

{

    public static void main(String args)

    {

        Workbook workbook = new XSSFWorkbook();

    }

}


I getting this error:




Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/xssf/usermodel/XSSFWorkbook
at Program.main(Program.java:8)
Caused by: java.lang.ClassNotFoundException: org.apache.poi.xssf.usermodel.XSSFWorkbook
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 1 more




Can someone can explain me what I'm doing wrong?






java apache-poi







share|improve this question














First, I want let you know what I'm using:




  • Eclipse IDE 2018-09 (4.9.0) Java-SE 10

  • Apache POI 4.0.0-20180907


I don't mixing any JARs files with other version and I add to my project all the JARs in the folder except "poi-examples-4.0.0".



Let take a look of this code:



import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import org.apache.poi.ss.usermodel.Workbook;



public class Program

{

    public static void main(String args)

    {

        Workbook workbook = new HSSFWorkbook();

    }

}


I getting this error:




Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/hssf/usermodel/HSSFWorkbook
at Program.main(Program.java:8)
Caused by: java.lang.ClassNotFoundException: org.apache.poi.hssf.usermodel.HSSFWorkbook
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 1 more




And if I'm trying this code:



import org.apache.poi.ss.usermodel.Workbook;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;



public class Program

{

    public static void main(String args)

    {

        Workbook workbook = new XSSFWorkbook();

    }

}


I getting this error:




Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/xssf/usermodel/XSSFWorkbook
at Program.main(Program.java:8)
Caused by: java.lang.ClassNotFoundException: org.apache.poi.xssf.usermodel.XSSFWorkbook
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 1 more




Can someone can explain me what I'm doing wrong?






java apache-poi




java apache-poi






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 16 '18 at 13:29









HazanHazan

12




12













  • Maven dependency to use: <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>4.0.0</version> </dependency>

    – XtremeBaumer
    Nov 16 '18 at 13:38








  • 1





    NoClassDefFoundError is a run time error. So while compile time the class HSSFWorkbook was found. But on run time the same class was not found. So there must be a discrepancy between class path settings compile time vs. run time. Check your IDE settings for that. But for using XSSFWorkbook please read: Can Apache POI be compiled/used with Java 10 or newer?.

    – Axel Richter
    Nov 16 '18 at 15:04













  • @AxelRichter thank you very much, do you have any suggestion for alternative project that support java 10?

    – Hazan
    Nov 16 '18 at 15:10













  • Apache POI does support Java 10, just not with modules, see the FAQ which Axel linked to!

    – Gagravarr
    Nov 16 '18 at 16:34



















  • Maven dependency to use: <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>4.0.0</version> </dependency>

    – XtremeBaumer
    Nov 16 '18 at 13:38








  • 1





    NoClassDefFoundError is a run time error. So while compile time the class HSSFWorkbook was found. But on run time the same class was not found. So there must be a discrepancy between class path settings compile time vs. run time. Check your IDE settings for that. But for using XSSFWorkbook please read: Can Apache POI be compiled/used with Java 10 or newer?.

    – Axel Richter
    Nov 16 '18 at 15:04













  • @AxelRichter thank you very much, do you have any suggestion for alternative project that support java 10?

    – Hazan
    Nov 16 '18 at 15:10













  • Apache POI does support Java 10, just not with modules, see the FAQ which Axel linked to!

    – Gagravarr
    Nov 16 '18 at 16:34

















Maven dependency to use: <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>4.0.0</version> </dependency>

– XtremeBaumer
Nov 16 '18 at 13:38







Maven dependency to use: <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>4.0.0</version> </dependency>

– XtremeBaumer
Nov 16 '18 at 13:38






1




1





NoClassDefFoundError is a run time error. So while compile time the class HSSFWorkbook was found. But on run time the same class was not found. So there must be a discrepancy between class path settings compile time vs. run time. Check your IDE settings for that. But for using XSSFWorkbook please read: Can Apache POI be compiled/used with Java 10 or newer?.

– Axel Richter
Nov 16 '18 at 15:04







NoClassDefFoundError is a run time error. So while compile time the class HSSFWorkbook was found. But on run time the same class was not found. So there must be a discrepancy between class path settings compile time vs. run time. Check your IDE settings for that. But for using XSSFWorkbook please read: Can Apache POI be compiled/used with Java 10 or newer?.

– Axel Richter
Nov 16 '18 at 15:04















@AxelRichter thank you very much, do you have any suggestion for alternative project that support java 10?

– Hazan
Nov 16 '18 at 15:10







@AxelRichter thank you very much, do you have any suggestion for alternative project that support java 10?

– Hazan
Nov 16 '18 at 15:10















Apache POI does support Java 10, just not with modules, see the FAQ which Axel linked to!

– Gagravarr
Nov 16 '18 at 16:34





Apache POI does support Java 10, just not with modules, see the FAQ which Axel linked to!

– Gagravarr
Nov 16 '18 at 16:34












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