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这是我的测试用例：

import java.io.File;
import java.io.IOException;

import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
import org.junit.Before;
import org.junit.Test;

public class TestWB {

File sourceA;
File sourceB;

@Before
public void setUp() throws Exception {
    sourceA = new File("C:\\junit\\sourceA.xls");
    sourceB = new File("C:\\junit\\sourceB.xls");
}

@Test
public final void testValid() {
    try {
        Workbook wb = WorkbookFactory.create(sourceA);
    } catch (InvalidFormatException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

@Test
public final void testInValid() {
    try {
        Workbook wb = WorkbookFactory.create(sourceB);
    } catch (InvalidFormatException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

}

在 sourceA.xls 通过并加载的地方，SourceB.xls 很麻烦。这是异常代码：

java.lang.RuntimeException: Unexpected record type (org.apache.poi.hssf.record.StringRecord)
    at org.apache.poi.hssf.record.aggregates.RowRecordsAggregate.<init>(RowRecordsAggregate.java:97)
    at org.apache.poi.hssf.model.InternalSheet.<init>(InternalSheet.java:172)
    at org.apache.poi.hssf.model.InternalSheet.createSheet(InternalSheet.java:127)
    at org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:291)
    at org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:88)
    at TestWB.testInValid(TestWB.java:35)
    ...

如果我打开 xls - 据我所知没有任何改变 - 保存它。它可以正常工作。如何在没有用户手动操作的情况下解决此问题（打开 - 保存 - 关闭）

谢谢你

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