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org.csource.common.MyException: item “tracker_serv

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摘要：異常已解決背景自己寫的博客項目使用使用工具類初始化配置進(jìn)行測試，代碼如下使用加載配置文件生成對應(yīng)的輸入流使用對象加載輸入流工具類初始化配置進(jìn)行測試，代碼如下

org.csource.common.MyException: item “tracker_server” in null not found異常已解決

背景

自己寫的博客項目使用fastDfs 使用java工具類A初始化fdfs配置進(jìn)行測試，代碼如下

			ClassPathResource cpr = new ClassPathResource("fastdfs.properties");			ClientGlobal.init(cpr.getClassLoader().getResource("fdfs_client.conf").toURI().getPath());			Properties properties = new Properties();			// 使用ClassLoader加載properties配置文件生成對應(yīng)的輸入流			InputStream in = cpr.getInputStream();			// 使用properties對象加載輸入流			properties.load(in);			ClientGlobal.initByProperties(properties);			TrackerGroup trackerGroup = ClientGlobal.g_tracker_group;			trackerClient = new TrackerClient(trackerGroup);

工具類B初始化fdfs配置進(jìn)行測試，代碼如下

private static final String CONF_FILENAME = Thread.currentThread().getContextClassLoader()			.getResource("fdfs_client.conf").getPath();			--------------------------------------------			ClientGlobal.init(CONF_FILENAME);

使用這兩種方式都是去讀取配置文件fdfs_client.conf，但是本地都正常，服務(wù)器上（CentOS7.6）不行，報錯內(nèi)容如下

java.lang.NullPointerException        at java.io.File.(File.java:277)        at org.csource.common.IniFileReader.loadFromOsFileSystemOrClasspathAsStream(IniFileReader.java:45)        at org.csource.common.IniFileReader.loadFromFile(IniFileReader.java:150)        at org.csource.common.IniFileReader.(IniFileReader.java:30)        at org.csource.fastdfs.ClientGlobal.init(ClientGlobal.java:91)        at com.blog.utils.FastDFSClientUtils.(FastDFSClientUtils.java:51)        at com.blog.controller.FastDFSController.upload(FastDFSController.java:53)        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)        at java.lang.reflect.Method.invoke(Method.java:498)        at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:197)        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:141)        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106)        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1064)        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963)        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)        at javax.servlet.http.HttpServlet.service(HttpServlet.java:681)        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)        at javax.servlet.http.HttpServlet.service(HttpServlet.java:764)        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)        at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)        at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)        at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)        at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)        at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)        at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)        at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)        at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)        at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197)        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382)        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893)        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1726)        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)        at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)        at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)        at java.lang.Thread.run(Thread.java:748)09:13:42,711 [http-nio-8000-exec-1] ERROR com.blog.utils.FastDFSClientUtils  - org.csource.common.MyException: item "tracker_server" in null not found2021-11-24 21:13:42.712  INFO 2498 --- [nio-8000-exec-1] com.blog.controller.FastDFSController    : ---文件類型--->jpg09:13:42,714 [http-nio-8000-exec-1] ERROR com.blog.utils.FastDFSClientUtils  - java.lang.NullPointerException

主要報錯內(nèi)容 org.csource.common.MyException: item “tracker_server” in null not found

解決辦法

不使用讀取配置文件的方法，直接把fdfs的配置寫入工具類進(jìn)行加載
代碼如下

Properties props = new Properties();props.put(ClientGlobal.PROP_KEY_TRACKER_SERVERS,"82.157.172.63:22122");props.put(ClientGlobal.PROP_KEY_CONNECT_TIMEOUT_IN_SECONDS,3);props.put(ClientGlobal.PROP_KEY_NETWORK_TIMEOUT_IN_SECONDS,30);ClientGlobal.initByProperties(props);TrackerClient trackerClient=new TrackerClient();

完成工具類代碼

public class FastDFSClientUtils {	private static Logger logger = Logger.getLogger(FastDFSClientUtils.class);	private static TrackerClient trackerClient;	//加載文件	static {		try {			//加載fasetdfs配置項			Properties props = new Properties();			props.put(ClientGlobal.PROP_KEY_TRACKER_SERVERS,"82.157.172.63:22122");			props.put(ClientGlobal.PROP_KEY_CONNECT_TIMEOUT_IN_SECONDS,3);			props.put(ClientGlobal.PROP_KEY_NETWORK_TIMEOUT_IN_SECONDS,30);						ClientGlobal.initByProperties(props);			trackerClient=new TrackerClient();//			/*第二種init方法  該方法我測試本地可以，服務(wù)器上不行。各位如使用自行測試//			ClassPathResource cpr = new ClassPathResource("fastdfs.properties");//			ClientGlobal.init(cpr.getClassLoader().getResource("fdfs_client.conf").toURI().getPath());////			Properties properties = new Properties();//			// 使用ClassLoader加載properties配置文件生成對應(yīng)的輸入流//			InputStream in = cpr.getInputStream();//			// 使用properties對象加載輸入流//			properties.load(in);//			ClientGlobal.initByProperties(properties);////			TrackerGroup trackerGroup = ClientGlobal.g_tracker_group;//			trackerClient = new TrackerClient(trackerGroup);////			System.out.println("------>"+trackerClient.getTrackerServer().getInetSocketAddress());		} catch (Exception e) {			logger.error(e);		}	}	/**	 * 方法名稱：上傳方法
	 * 概要說明：
	 * @param file 文件	 * @param path 路徑	 * @return 上傳成功返回id，失敗返回null	 */	public static String upload(File file, String path) {		TrackerServer trackerServer = null;		StorageServer storageServer = null;		StorageClient1 storageClient1 = null;		FileInputStream fis = null;		try {			NameValuePair[] meta_list = null; // new NameValuePair[0];			fis = new FileInputStream(file);			byte[] file_buff = null;			if (fis != null) {				int len = fis.available();				file_buff = new byte[len];				fis.read(file_buff);			}			trackerServer = trackerClient.getTrackerServer();			if (trackerServer == null) {				logger.error("getConnection return null");			}			storageServer = trackerClient.getStoreStorage(trackerServer);			storageClient1 = new StorageClient1(trackerServer, storageServer);			String fileid = storageClient1.upload_file1(file_buff, getFileExt(path), meta_list);			return fileid;		} catch (Exception ex) {			logger.error(ex);			return null;		} finally {			if (fis != null) {				try {					fis.close();				} catch (IOException e) {					logger.error(e);				}			}			storageClient1 = null;		}	}	/**	 * 方法名稱：上傳方法
	 * 概要說明：
	 * @param data 數(shù)據(jù)	 * @param extName 路徑	 * @return 上傳成功返回id，失敗返回null	 */	public static String upload(byte[] data, String extName) {		TrackerServer trackerServer = null;		StorageServer storageServer = null;		StorageClient1 storageClient1 = null;		try {			NameValuePair[] meta_list = null; // new NameValuePair[0];			trackerServer = trackerClient.getTrackerServer();			if (trackerServer == null) {				logger.error("getConnection return null");			}			storageServer = trackerClient.getStoreStorage(trackerServer);			storageClient1 = new StorageClient1(trackerServer, storageServer);			String fileid = storageClient1.upload_file1(data, extName, meta_list);			return fileid;		} catch (Exception ex) {			logger.error(ex);			return null;		} finally {			storageClient1 = null;		}	}	/**	 * 方法名稱：下載方法
	 * 概要說明：通過文件id進(jìn)行下載
	 * @param fileId 文件id	 * @return 返回InputStream	 */	public static InputStream download(String groupName, String fileId) {		TrackerServer trackerServer = null;		StorageServer storageServer = null;		StorageClient1 storageClient1 = null;		try {			trackerServer = trackerClient.getTrackerServer();			if (trackerServer == null) {				logger.error("getConnection return null");			}			storageServer = trackerClient.getStoreStorage(trackerServer, groupName);			storageClient1 = new StorageClient1(trackerServer, storageServer);			byte[] bytes = storageClient1.download_file1(fileId);			InputStream inputStream = new ByteArrayInputStream(bytes);			return inputStream;		} catch (Exception ex) {			logger.error(ex);			return null;		} finally {			storageClient1 = null;		}	}	/**	 * 方法名稱：刪除方法
	 * 概要說明：根據(jù)id來刪除一個文件
	 * @param fileId 文件id	 * @return 刪除成功返回0，非0則操作失敗，返回錯誤代碼	 */	public static int delete(String groupName, String fileId) {		TrackerServer trackerServer = null;		StorageServer storageServer = null;		StorageClient1 storageClient1 = null;		try {			trackerServer = trackerClient.getTrackerServer();			if (trackerServer == null) {				logger.error("getConnection return null");			}			storageServer = trackerClient.getStoreStorage(trackerServer, groupName);			storageClient1 = new StorageClient1(trackerServer, storageServer);			int result = storageClient1.delete_file1(fileId);			return result;		} catch (Exception ex) {			logger.error(ex);			return 0;		} finally {			storageClient1 = null;		}	}	/**	 * 方法名稱：
	 * 概要說明：
	 * @param oldFileId 舊文件id	 * @param file 新文件	 * @param path 新文件路徑	 * @ret

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