java process.waitfor返回1的原因及解决

java process.waitfor返回1

java的process,在执行命令时,出现waitfor返回1错误。根据java文档,是operation not permited。但绝大多数情况下,这是瞎扯。

真正原因是,你执行的命令(dos或linux下的命令),java的process执行时候,出错了。而错误本身是在这个命令的字符串上。

大致的原因如下

1. 字符串中包含额外的空格,导致命令不对。比如文件名之类的。解决方案,无非用引号把文件名之类的参数引起来

2. 还一个比较恶心的是,执行的命令,你最好用绝对路径。很多情况下,你要执行的工具可能放在系统默认的路径下,这种情况下,你直接在dos窗口或linux命令行下,执行都是正常的,但是一到程序中,就死活返回1的错误。

3. 另一个process执行返回1的原因可能是:进程执行所需的环境不正确。

当然,我碰到的问题不属于上面情况。Process里执行的shell脚本要操作文件,结果这个文件在其它地方被占用了,导致process执行失败

process.waitFor()的返回值含义

以下是Linux中返回值对照表

"OS error code 1: Operation not permitted"

"OS error code 2: No such file or directory"

"OS error code 3: No such process"

"OS error code 4: Interrupted system call"

"OS error code 5: Input/output error"

"OS error code 6: No such device or address"

"OS error code 7: Argument list too long"

"OS error code 8: Exec format error"

"OS error code 9: Bad file descriptor"

"OS error code 10: No child processes"

"OS error code 11: Resource temporarily unavailable"

"OS error code 12: Cannot allocate memory"

"OS error code 13: Permission denied"

"OS error code 14: Bad address"

"OS error code 15: Block device required"

"OS error code 16: Device or resource busy"

"OS error code 17: File exists"

"OS error code 18: Invalid cross-device link"

"OS error code 19: No such device"

"OS error code 20: Not a directory"

"OS error code 21: Is a directory"

"OS error code 22: Invalid argument"

"OS error code 23: Too many open files in system"

"OS error code 24: Too many open files"

"OS error code 25: Inappropriate ioctl for device"

"OS error code 26: Text file busy"

"OS error code 27: File too large"

"OS error code 28: No space left on device"

"OS error code 29: Illegal seek"

"OS error code 30: Read-only file system"

"OS error code 31: Too many links"

"OS error code 32: Broken pipe"

"OS error code 33: Numerical argument out of domain"

"OS error code 34: Numerical result out of range"

"OS error code 35: Resource deadlock avoided"

"OS error code 36: File name too long"

"OS error code 37: No locks available"

"OS error code 38: Function not implemented"

"OS error code 39: Directory not empty"

"OS error code 40: Too many levels of symbolic links"

"OS error code 42: No message of desired type"

"OS error code 43: Identifier removed"

"OS error code 44: Channel number out of range"

"OS error code 45: Level 2 not synchronized"

"OS error code 46: Level 3 halted"

"OS error code 47: Level 3 reset"

"OS error code 48: Link number out of range"

"OS error code 49: Protocol driver not attached"

"OS error code 50: No CSI structure available"

"OS error code 51: Level 2 halted"

"OS error code 52: Invalid exchange"

"OS error code 53: Invalid request descriptor"

"OS error code 54: Exchange full"

"OS error code 55: No anode"

"OS error code 56: Invalid request code"

"OS error code 57: Invalid slot"

"OS error code 59: Bad font file format"

"OS error code 60: Device not a stream"

"OS error code 61: No data available"

"OS error code 62: Timer expired"

"OS error code 63: Out of streams resources"

"OS error code 64: Machine is not on the network"

"OS error code 65: Package not installed"

"OS error code 66: Object is remote"

"OS error code 67: Link has been severed"

"OS error code 68: Advertise error"

"OS error code 69: Srmount error"

"OS error code 70: Communication error on send"

"OS error code 71: Protocol error"

"OS error code 72: Multihop attempted"

"OS error code 73: RFS specific error"

"OS error code 74: Bad message"

"OS error code 75: Value too large for defined data type"

"OS error code 76: Name not unique on network"

"OS error code 77: File descriptor in bad state"

"OS error code 78: Remote address changed"

"OS error code 79: Can not access a needed shared library"

"OS error code 80: Accessing a corrupted shared library"

"OS error code 81: .lib section in a.out corrupted"

"OS error code 82: Attempting to link in too many shared libraries"

"OS error code 83: Cannot exec a shared library directly"

"OS error code 84: Invalid or incomplete multibyte or wide character"

"OS error code 85: Interrupted system call should be restarted"

"OS error code 86: Streams pipe error"

"OS error code 87: Too many users"

"OS error code 88: Socket operation on non-socket"

"OS error code 89: Destination address required"

"OS error code 90: Message too long"

"OS error code 91: Protocol wrong type for socket"

"OS error code 92: Protocol not available"

"OS error code 93: Protocol not supported"

"OS error code 94: Socket type not supported"

"OS error code 95: Operation not supported"

"OS error code 96: Protocol family not supported"

"OS error code 97: Address family not supported by protocol"

"OS error code 98: Address already in use"

"OS error code 99: Cannot assign requested address"

"OS error code 100: Network is down"

"OS error code 101: Network is unreachable"

"OS error code 102: Network dropped connection on reset"

"OS error code 103: Software caused connection abort"

"OS error code 104: Connection reset by peer"

"OS error code 105: No buffer space available"

"OS error code 106: Transport endpoint is already connected"

"OS error code 107: Transport endpoint is not connected"

"OS error code 108: Cannot send after transport endpoint shutdown"

"OS error code 109: Too many references: cannot splice"

"OS error code 110: Connection timed out"

"OS error code 111: Connection refused"

"OS error code 112: Host is down"

"OS error code 113: No route to host"

"OS error code 114: Operation already in progress"

"OS error code 115: Operation now in progress"

"OS error code 116: Stale NFS file handle"

"OS error code 117: Structure needs cleaning"

"OS error code 118: Not a XENIX named type file"

"OS error code 119: No XENIX semaphores available"

"OS error code 120: Is a named type file"

"OS error code 121: Remote I/O error"

"OS error code 122: Disk quota exceeded"

"OS error code 123: No medium found"

"OS error code 124: Wrong medium type"

"OS error code 125: Operation canceled"

"OS error code 126: Required key not available"

"OS error code 127: Key has expired"

"OS error code 128: Key has been revoked"

"OS error code 129: Key was rejected by service"

"OS error code 130: Owner died"

"OS error code 131: State not recoverable"

"MySQL error code 132: Old database file"

"MySQL error code 133: No record read before update"

"MySQL error code 134: Record was already deleted (or record file crashed)"

"MySQL error code 135: No more room in record file"

"MySQL error code 136: No more room in index file"

"MySQL error code 137: No more records (read after end of file)"

"MySQL error code 138: Unsupported extension used for table"

"MySQL error code 139: Too big row"

"MySQL error code 140: Wrong create options"

"MySQL error code 141: Duplicate unique key or constraint on write or update"

"MySQL error code 142: Unknown character set used"

"MySQL error code 143: Conflicting table definitions in sub-tables of MERGE table"

"MySQL error code 144: Table is crashed and last repair failed"

"MySQL error code 145: Table was marked as crashed and should be repaired"

"MySQL error code 146: Lock timed out; Retry transaction"

"MySQL error code 147: Lock table is full; Restart program with a larger locktable"

"MySQL error code 148: Updates are not allowed under a read only transactions"

"MySQL error code 149: Lock deadlock; Retry transaction"

"MySQL error code 150: Foreign key constraint is incorrectly formed"

"MySQL error code 151: Cannot add a child row"

"MySQL error code 152: Cannot delete a parent row"

以上为个人经验,希望能给大家一个参考,也希望大家多多支持。

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