[英]Unable to read value from properties file in java
实际上,我正在尝试从JSP页面获取值并将这些数据写入config.properties文件。 我可以在其中写入数据。 但是我无法从该config.properties文件中读取属性值。
public static void startup() throws ReflectiveOperationException, Exception {
String configPath ="C:/Selenium_Automation_JSP/automation/src/com/selenium/config/config.properties";
DriverScript Test = new DriverScript(configPath);
System.out.println("Config path loaded");
Test.start(configPath);
}
public void start(String configPath) throws ReflectiveOperationException, IllegalArgumentException, Exception{
System.out.println(configPath);
CONFIG=new Properties();
FileInputStream fs = new FileInputStream(configPath);
CONFIG.load(fs);
String mapFile=CONFIG.getProperty("Suite");
System.out.println(mapFile);
SuiteXLS = new Xls_Reader(mapFile);
在控制台中,我可以看到config.properties的路径。 但是在读取文件时,它显示以下错误,
Config path loaded
C:/Selenium_Automation_JSP/automation/src/com/selenium/config/config.properties
null
java.lang.NullPointerException
at java.io.FileInputStream.<init>(FileInputStream.java:124)
at java.io.FileInputStream.<init>(FileInputStream.java:87)
at com.selenium8x8.xlsoperations.Xls_Reader.<init>(Xls_Reader.java:43)
at com.selenium8x8.driver.DriverScript.start(DriverScript.java:106)
at com.selenium8x8.driver.DriverScript.startup(DriverScript.java:85)
at com.selenium8x8.servlet.ControlServlet.doPost(ControlServlet.java:120)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1852)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:724)
这是我的config.properties文件
TestURL=http://agents.8x8pilot.com/
Suite=C:/Selenium_Automation_JSP/automation/src/com/selenium/xls/Suite.xlsx
ObjectRepository=C:/Selenium_Automation_JSP/automation/src/com/selenium/xls/ObjectRepository.xls
DataManagement=C:Selenium_Automation_JSP/automation/src/com/selenium/xls/StoredData.xls
但是我无法读取“ Suite”属性值。
尝试
CONFIG=new Properties();
CONFIG.store(new FileOutputStream(configPath), null);
CONFIG.getProperty("Suite");
您需要将configPath更改为:
String configPath ="C:\\Selenium_Automation_JSP\\automation\\src\\com\\selenium\\config\\config.properties";
然后像这样加载它:
CONFIG.load(new FileInputStream(configPath));
编辑:根据@sircapsalot,绝对路径是一个坏主意。 如果您认为configPath会更改,则可以使用它使用regex或类似的东西将其更改为绝对路径,然后将其传递给FileInputStream
。 我应该明确指出FileInputStream确实需要绝对路径才能工作。
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