[英]Linux - IO exceptions when running jar file through shell script
我正在使用Debain 8.0-jessie(64位)。
當我嘗試通過Shell腳本從其目錄外部運行jar文件時,出現了IO異常。
目錄:“ / home / rscedit”
文件:“數據(目錄)”“ run.sh(文件)”“ Webserver.jar(文件)”
當我嘗試從“ / home / rscedit”之外的任何地方運行“ run.sh”時,我的jar文件中遇到IO異常。
但是,如果我嘗試從“ / home / rscedit”運行“ run.sh”,它將運行得很好。
我想在啟動時運行Shell腳本,因此我應該能夠從“ / home / rscedit”外部運行外殼腳本,對嗎?
Shell腳本
#!/bin/sh
java -jar -Xmx20480m /home/rscedit/Webserver.jar
read –n1
我執行Shell腳本時收到的錯誤
java.nio.file.NoSuchFileException: ./data/log/ipn.log.lck
at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
at sun.nio.fs.UnixFileSystemProvider.newFileChannel(UnixFileSystemProvider.java:177)
at java.nio.channels.FileChannel.open(FileChannel.java:287)
at java.nio.channels.FileChannel.open(FileChannel.java:335)
at java.util.logging.FileHandler.openFiles(FileHandler.java:459)
at java.util.logging.FileHandler.<init>(FileHandler.java:326)
at org.displee.utilities.logging.LogFactory.loadFileLogger(LogFactory.java:44)
at org.displee.utilities.logging.LogFactory.<clinit>(LogFactory.java:19)
LogFactory.java
package org.displee.utilities.logging;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.*;
public class LogFactory {
private static final String FORMAT = "%1$td-%1$tm-%1$tY %1$tH:%1$tM:%1$tS %4$s %2$s - %5$s%6$s%n";
private static final Map<String, Logger> MAP = new HashMap<>();
static {
try {
loadFileLogger("ipn", "./data/log/ipn.log");
loadFileLogger("error", "./data/log/error.log");
Logger logger = Logger.getLogger("console");
logger.setUseParentHandlers(false);
ConsoleHandler ch = new ConsoleHandler();
ch.setFormatter(new ConsoleFormatter());
ch.setLevel(Level.ALL);
logger.addHandler(ch);
register(logger.getName(), logger);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void register(String name, Logger logger) {
MAP.putIfAbsent(name, logger);
}
public static Logger get(String name) {
return MAP.get(name);
}
private static Logger loadFileLogger(String name, String path) throws IOException {
Logger logger = Logger.getLogger(name);
FileHandler fh = new FileHandler(path, true);
fh.setFormatter(new ConsoleFormatter());
logger.addHandler(fh);
logger.setUseParentHandlers(false);
register(name, logger);
return logger;
}
private static class ConsoleFormatter extends Formatter {
@Override
public synchronized String format(LogRecord record) {
Date date = new Date();
date.setTime(record.getMillis());
String source;
if (record.getSourceClassName() != null) {
source = record.getSourceClassName();
if (record.getSourceMethodName() != null) {
source += " " + record.getSourceMethodName();
}
} else {
source = record.getLoggerName();
}
String message = formatMessage(record);
String throwable = "";
if (record.getThrown() != null) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
pw.println();
record.getThrown().printStackTrace(pw);
pw.close();
throwable = sw.toString();
}
return String.format(FORMAT,
date,
source,
record.getLoggerName(),
"LOG",
message,
throwable);
}
}
}
我用來執行Shell腳本的命令
exec /home/rscedit/run.sh
編輯:我的數據圖不僅包含日志文件,還包含其他內容,例如網站文件。
您的Java程序似乎對工作目錄敏感。 我知道的最簡單的解決方案,更改此
java -jar -Xmx20480m /home/rscedit/Webserver.jar
至
(cd /home/rscedit ; java -jar -Xmx20480m Webserver.jar)
或者 ,更改Java,這(以及所有您擁有模式的地方)
loadFileLogger("ipn", "./data/log/ipn.log");
loadFileLogger("error", "./data/log/error.log");
類似於(使其相對於$HOME
),
loadFileLogger("ipn", new File(System.getProperty("user.home"),
"data/log/ipn.log").getPath());
loadFileLogger("error", new File(System.getProperty("user.home"),
"data/log/error.log").getPath());
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