RED.xml - 没有为“Library.class.name”库生成库规范文件

【问题标题】：RED.xml - Library specification file was not generated for 'Library.class.name' libraryRED.xml - 没有为“Library.class.name”库生成库规范文件
【发布时间】：2019-04-18 16:07:36
【问题描述】：

Red.xml - 使用“添加 Java 库”按钮上传 Java jar 文件时出现此错误。

没有为“Library.class.name”生成库规范文件 图书馆

尝试了以下步骤，

  1. 从 Eclipse 中自动删除构建并执行项目 -> 清理
  2. 重新导出了java类文件的jar文件。

注意：从 Shell 脚本构建时，我能够成功构建和执行相同的代码。 在构建类文件时的某个地方会出现此问题。但不确定如何纠正它。

重新加载引用的库类文件时，收到以下错误，

库规范生成问题

Problem occurred during generating libdoc for 'com.KTOC.TRB.testautomation.ObjectRepository.pg_SF_Login' library located at '/Users/roja/Automation/Jars-For-KTOC/TRBJars1.jar'.
RED python session problem. Following exception has been thrown by python service:
        Traceback (most recent call last):
          File "/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502/robot_session_server.py", line 38, in inner
            result['result'] = func(*args, **kwargs)
          File "/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502/robot_session_server.py", line 84, in inner
            return to_call(*args, **kwargs)
          File "/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502/robot_session_server.py", line 116, in inner
            return to_call(*args, **kwargs)
          File "/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502/robot_session_server.py", line 59, in inner
            return func(*args, **kwargs)
          File "/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502/robot_session_server.py", line 305, in create_libdoc
            return red_libraries.create_libdoc(libname, format)
          File "/private/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502/red_libraries.py", line 64, in create_libdoc
            raise Exception(result)
        Exception: Importing test library 'com.KTOC.TRB.testautomation.ObjectRepository.pg_SF_Login' failed: NoClassDefFoundError: Could not initialize class com.KTOC.TRB.testautomation.ObjectRepository.pg_SF_Login
        java.lang.NoClassDefFoundError: 
            at java.lang.Class.forName0(Native Method)
            at java.lang.Class.forName(Class.java:348)
            at robot.utils.importer$py._import$14(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/importer.py:167)
            at robot.utils.importer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/importer.py)
            at robot.utils.importer$py.import_$32(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/importer.py:274)
            at robot.utils.importer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/importer.py)
            at robot.utils.importer$py._import_class_or_module$5(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/importer.py:77)
            at robot.utils.importer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/importer.py)
            at robot.utils.importer$py.import_class_or_module$4(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/importer.py:74)
            at robot.utils.importer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/importer.py)
            at robot.libdocpkg.robotbuilder$py.build$2(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/libdocpkg/robotbuilder.py:40)
            at robot.libdocpkg.robotbuilder$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/libdocpkg/robotbuilder.py)
            at robot.libdocpkg$py.LibraryDocumentation$1(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/libdocpkg/__init__.py:47)
            at robot.libdocpkg$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/libdocpkg/__init__.py)
            at robot.libdoc$py.main$4(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/libdoc.py:163)
            at robot.libdoc$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/libdoc.py)
            at robot.utils.application$py._execute$10(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/application.py:94)
            at robot.utils.application$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/application.py)
            at robot.utils.application$py.execute$9(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/application.py:79)
            at robot.utils.application$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/utils/application.py)
            at robot.libdoc$py.libdoc$9(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/libdoc.py:223)
            at robot.libdoc$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/robot/libdoc.py)
            at red_libraries$py._create_libdoc_with_stdout_redirect$5(/private/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502/red_libraries.py:83)
            at red_libraries$py.call_function(/private/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502/red_libraries.py)
            at red_libraries$py.create_libdoc$4(/private/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502/red_libraries.py:66)
            at red_libraries$py.call_function(/private/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502/red_libraries.py)
            at SimpleXMLRPCServer$py._dispatch$15(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SimpleXMLRPCServer.py:422)
            at SimpleXMLRPCServer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SimpleXMLRPCServer.py)
            at SimpleXMLRPCServer$py._marshaled_dispatch$10(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SimpleXMLRPCServer.py:276)
            at SimpleXMLRPCServer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SimpleXMLRPCServer.py)
            at SimpleXMLRPCServer$py.do_POST$19(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SimpleXMLRPCServer.py:535)
            at SimpleXMLRPCServer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SimpleXMLRPCServer.py)
            at BaseHTTPServer$py.handle_one_request$7(/usr/local/Cellar/jython/2.7.1/libexec/Lib/BaseHTTPServer.py:345)
            at BaseHTTPServer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/BaseHTTPServer.py)
            at BaseHTTPServer$py.handle$8(/usr/local/Cellar/jython/2.7.1/libexec/Lib/BaseHTTPServer.py:352)
            at BaseHTTPServer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/BaseHTTPServer.py)
            at SocketServer$py.__init__$47(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SocketServer.py:659)
            at SocketServer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SocketServer.py)
            at SocketServer$py.finish_request$13(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SocketServer.py:334)
            at SocketServer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SocketServer.py)
            at SocketServer$py.process_request$11(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SocketServer.py:322)
            at SocketServer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SocketServer.py)
            at SocketServer$py._handle_request_noblock$8(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SocketServer.py:298)
            at SocketServer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SocketServer.py)
            at SocketServer$py.serve_forever$5(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SocketServer.py:241)
            at SocketServer$py.call_function(/usr/local/Cellar/jython/2.7.1/libexec/Lib/SocketServer.py)
        PYTHONPATH:
          /Users/roja/Automation/Jars-For-KTOC/TRBJars1.jar
          /private/var/folders/dv/nnfc_k29377bv7s34kng7qgh0000gn/T/RobotTempDir8808901746972554502
          /usr/local/Cellar/jython/2.7.1/libexec/Lib
          __classpath__
          __pyclasspath__/
          /usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages
        CLASSPATH:
          ../../../../usr/local/Cellar/jython/2.7.1/libexec/jython.jar
          .

        Try --help for usage information.

Xls_Reader.java 文件中的以下代码

/**
 * 
 */

package com.KTOC.TRB.testautomation.Utilities;

import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Hashtable;

public class Xls_Reader {
 public String path;
 public FileInputStream fis = null;
 private static XSSFWorkbook workbook = null;
 private static XSSFSheet sheet = null;
 public XSSFRow row = null;
 private XSSFCell cell = null;
 public static Xls_Reader xlsx;
 public static final String ROBOT_LIBRARY_SCOPE = "GLOBAL";

 Xls_Reader (String path) {

ClassLoader classloader = getClass().getClassLoader();
try {
  InputStream fis = classloader.getResourceAsStream(path);
  workbook = new XSSFWorkbook(fis);
  sheet = workbook.getSheetAt(0);
  fis.close();
} catch (Exception e) {
}
}

String getCellData(String sheetnam, int colnum, int rownum) {

try {
  if (rownum <= 0) {
    return "";
  }
  int index = workbook.getSheetIndex(sheetnam);
  if (index == -1) {
    return "";
  }
  sheet = workbook.getSheetAt(index);
  row = sheet.getRow(rownum - 1);
  if (row == null) {
    return "";
  }
  cell = row.getCell(colnum);
  if (cell == null) {
    return "";
  }

} catch (Exception ignored) {

}

 return cell.toString();
 }

// returns the row count in a sheet
public int getRowCount(String sheetName) {
int index = workbook.getSheetIndex(sheetName);
if (index == -1) {
  return 0;
} else {
  sheet = workbook.getSheetAt(index);
  return sheet.getLastRowNum() + 1;
}
}

// returns number of columns in a sheet
public int getColumnCount(String sheetName) {
sheet = workbook.getSheet(sheetName);
row = sheet.getRow(0);

if (row == null) {
  return -1;
}
return row.getLastCellNum();
}

 public static String getData(String SheetName, String TestCase, String parameter) 
 {
 String parametervalue = null;
 Xls_Reader xlsx = new Xls_Reader("../Users/roja/eclipse-workspace/KTOC_TestMethods/src/testautomation/TestData/KTOCData.xlsx");
 Hashtable<String, String> hTable = getDatafromXlsx(TestCase, xlsx, SheetName);
 parametervalue = (String) hTable.get(parameter);
 return parametervalue;
}

public static Hashtable<String, String> getDatafromXlsx(String testcaseName, Xls_Reader xls, String sheetname) 
{
int testcaseStartrow = 1;
while (!xls.getCellData(sheetname, 0, testcaseStartrow).equals(testcaseName)) 
{
  testcaseStartrow++;
}
int testDataStartrownum = testcaseStartrow + 2;
int rows = 0;
while (!xls.getCellData(sheetname, 0, testDataStartrownum + rows).equals("")) 
{
  rows++;
}

int colStartRownum = testcaseStartrow + 1;
int cols = 0;
while (!xls.getCellData(sheetname, cols, colStartRownum).equals("")) 
{
  cols++;
}

Hashtable<String, String> table = null;
for (int rNum = testDataStartrownum; rNum < testDataStartrownum + rows; rNum++) {
  table = new Hashtable<String, String>();
  for (int cNum = 0; cNum < cols; cNum++) {
    String key = xls.getCellData(sheetname, cNum, colStartRownum);
    String value = xls.getCellData(sheetname, cNum, rNum);
    table.put(key, value);
  }
 }
 return table;
}
}

【问题讨论】：

  • 就上下文而言，库规范文件仅由 RED 用于 RED 中的自动完成和文档功能。这不会影响运行 Robot Framework 脚本时的功能。除了这个功能性错误之外，还有技术错误吗？如果您有一个简单的 java 类将其作为 minimal reproducible example 触发此问题，那将有所帮助。
  • 感谢@A.Kootstra 的回复。
  • 我能够完美地导出到 jar 中，没有任何错误。从功能上看，这似乎不是技术问题。但是在构建它时，似乎存在技术问题。我也跟着这个，在机器人引用库下的项目资源管理器中，右键单击类名并单击重新加载菜单。重新加载时，收到错误。我用这个错误更新了问题。

标签： robotframework


【解决方案1】：

示例 Robot Framework java 库取自 Robot Framework user guide。当导出为常规 jar 文件并导入到 RED 项目文件中时，会生成关键字 LibSpec 文件，并在项目资源管理器概述中显示关键字。

当 RED 初始化类以读取方法和文档并从中生成 LibSpec 时，就会出现问题。这要求类在没有工作机器人框架上下文的情况下独立初始化。如果您的类初始化时期望某些上下文处于活动状态，这将在生成 LibSpec 时引发错误，但在运行测试时工作正常。 

/**
 * 
 */
package com.mycompany;

/**
 * @author anne
 *
 */
public class ExampleLibrary {

    public static final String ROBOT_LIBRARY_SCOPE = "GLOBAL";

    private int counter = 0;

    public void count() {
        counter += 1;
        System.out.println(counter);
    }

    public void clearCounter() {
        counter = 0;
    }
}

【讨论】：

  • 感谢@A.Kootstra！我尝试用这些错误执行它。我的执行和往常一样顺利并且成功。红色错误图标吓到我了。 :) 注意：每当我从 github 导入项目时，我都会遇到这样的错误。会不会是这个原因？
  • 不确定“从 github 导入项目”是什么意思。
  • 我从 github 克隆了一个存储库，其中包含一组 java 项目类文件和机器人项目测试套件。之后，我默认在 Red.xml 中的引用库下看到类文件。由于本地系统中的路径不同，我删除了所有类文件并添加了我自己的从 java 项目创建的 jar。
  • 虽然我很确定它是在 RED 中生成错误的类初始化程序（请随意分享）如果你想让我看看添加链接 edit 问题)
  • 我重新构建了一个新的jar文件，并上传到Red.xml。除了 Xls_Reader 文件外，它都可以工作。使用使用的 jar 文件很快更新问题。
【解决方案2】：

就我而言，RED.xml 对本地库的引用已损坏：

一旦我删除了该引用（单击 RED.xml 中的引用库，然后单击“删除”键）- 烦人的消息“生成 libdoc 期间发生问题”就消失了。

【讨论】：

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