Problem with export

[maysamrasoli]

Hi everyone;
When i want to export a simple excel file I get this error:

java.lang.NoClassDefFoundError: Failed resolution of: Ljavax/xml/stream/XMLStreamReader; at org.apache.xmlbeans.XmlBeans.buildStreamToNodeMethod(XmlBeans.java:247) at org.apache.xmlbeans.XmlBeans.<clinit>(XmlBeans.java:134) at org.apache.xmlbeans.XmlBeans.typeLoaderForClassLoader(XmlBeans.java:715) at org.openxmlformats.schemas.spreadsheetml.x2006.main.CTWorkbook$Factory.getTypeLoader(Unknown Source:25) at org.openxmlformats.schemas.spreadsheetml.x2006.main.CTWorkbook$Factory.newInstance(Unknown Source:0) at org.apache.poi.xssf.usermodel.XSSFWorkbook.onWorkbookCreate(XSSFWorkbook.java:460) at org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:263) at org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:257) at org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:245) at org.apache.poi.xssf.streaming.SXSSFWorkbook.<init>(SXSSFWorkbook.java:243) at org.apache.poi.xssf.streaming.SXSSFWorkbook.<init>(SXSSFWorkbook.java:213) at org.apache.poi.xssf.streaming.SXSSFWorkbook.<init>(SXSSFWorkbook.java:188) at org.apache.poi.xssf.streaming.SXSSFWorkbook.<init>(SXSSFWorkbook.java:274) at io.github.biezhi.excel.plus.writer.WriterWith2007.writeSheet(WriterWith2007.java:48) at io.github.biezhi.excel.plus.Writer.to(Writer.java:284) at io.github.biezhi.excel.plus.Writer.to(Writer.java:267) at tools.ActivityExcelExporter.onCreate(ActivityExcelExporter.java:34) at android.app.Activity.performCreate(Activity.java:7327) at android.app.Activity.performCreate(Activity.java:7318) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1275) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3095) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3258) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1955) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7058) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965) Caused by: java.lang.ClassNotFoundException: Didn't find class "javax.xml.stream.XMLStreamReader" on path: DexPathList[[zip file "/data/app/ir.adinapp.supermarket-rusFzlLBnp2BrQKogUvP3g==/base.apk"],nativeLibraryDirectories=[/data/app/ir.adinapp.supermarket-rusFzlLBnp2BrQKogUvP3g==/lib/arm64, /system/lib64]]

anybody can help me? tanx

[xkcoding]

it might be the poi version is not correct

is there has already existed poi dependency in your project?

[maysamrasoli]

no other dependency added.
and still the problem is not resolved.