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我有以下代码：

String[] command = {freeBcp,dbName + "." + dbUsername + "." + tableName,"in",file.getPath(),"-S" + dbServer,"-c","-t,","&"};
    log.info("Invoking command: " + Arrays.toString(command));
    try {
        ProcessBuilder builder = new ProcessBuilder(command);
        builder.redirectErrorStream(true);
        Process process = builder.start();
        InputStream is = process.getInputStream();
        InputStreamReader isr = new InputStreamReader(is);
        BufferedReader br = new BufferedReader(isr);
        String line;
        int exitValue = -1;
        while ((line = br.readLine()) != null) {
            log.info("BCP PROCESS: " + line);
        }
        log.debug("Close output stream..");
        process.getOutputStream().close();
        log.debug("Close error stream..");
        process.getErrorStream().close();
        log.debug("Close input stream..");
        process.getInputStream().close();
        log.debug("Waiting for freebcp Process to terminate..");
        exitValue = process.waitFor();
        if (exitValue == 0) {
            log.debug("Exit value is 0..");
            return true;
        } else {
            log.debug("Exit value is " + exitValue +"..");
            return false;
        }
    } catch (IOException e) {
        log.error("BCP PROCESS", e);
        throw new BulkCopyException("Failed to bcp file (" + file.getPath() + ")", e);
    } 
    catch (InterruptedException e) {
        log.error("BCP PROCESS", e);
        throw new BulkCopyException("Failed to bcp file (" + file.getPath() + ")", e);
    }

它运行 freebcp 进程，打印出“Exit value is 0..”，因此该进程已完成，但它只是停止并且从不调用 return 语句。

如果我在 Putty 中运行命令，它会按预期运行。任何线索可能是什么问题？

这是我在日志中得到的：

2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS:
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: Starting copy...
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 1000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 2000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 3000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 4000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 5000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 6000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 7000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 8000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 9000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 10000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 11000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 12000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 13000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 14000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 15000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 16000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 17000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 18000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 19000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 20000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 21000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 22000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 23000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 24000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 25000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 26000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 27000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 28000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 29000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 30000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 31000 rows sent to SQL Server.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [INFO] BCP PROCESS: 31660 rows copied.
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [DEBUG] Close output stream..
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [DEBUG] Close error stream..
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [DEBUG] Close input stream..
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [DEBUG] Waiting for freebcp Process to terminate..
2014-04-07 14:48:07 BulkCopy taskExecutor-1 [DEBUG] Exit value is 0..
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