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Code Issues Wiki Activity

Improve error reporting for Ssh-sftp (add full paths to tracing exceptions)

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This commit is contained in:
Martin Oberhuber 2007-11-21 17:27:37 +00:00
parent 0fbab59e21
commit 00fc6f2873
1 changed files with 46 additions and 50 deletions
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96
rse/plugins/org.eclipse.rse.services.ssh/src/org/eclipse/rse/internal/services/ssh/files/SftpFileService.java
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@ -400,9 +400,9 @@ public class SftpFileService extends AbstractFileService implements IFileService
//the API docs. //the API docs.
SftpHostFile node = null; SftpHostFile node = null;
SftpATTRS attrs = null; SftpATTRS attrs = null;
String fullPath = concat(remoteParent, fileName);
if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) { if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) {
try { try {
String fullPath = concat(remoteParent, fileName);
attrs = getChannel("SftpFileService.getFile: "+fullPath).stat(recodeSafe(fullPath)); //$NON-NLS-1$ attrs = getChannel("SftpFileService.getFile: "+fullPath).stat(recodeSafe(fullPath)); //$NON-NLS-1$
Activator.trace("SftpFileService.getFile <--"); //$NON-NLS-1$ Activator.trace("SftpFileService.getFile <--"); //$NON-NLS-1$
node = makeHostFile(remoteParent, fileName, attrs); node = makeHostFile(remoteParent, fileName, attrs);
@ -552,6 +552,10 @@ public class SftpFileService extends AbstractFileService implements IFileService
public boolean upload(File localFile, String remoteParent, String remoteFile, boolean isBinary, String srcEncoding, String hostEncoding, IProgressMonitor monitor) throws SystemMessageException public boolean upload(File localFile, String remoteParent, String remoteFile, boolean isBinary, String srcEncoding, String hostEncoding, IProgressMonitor monitor) throws SystemMessageException
{ {
String dst = remoteParent;
if( remoteFile!=null ) {
dst = concat(dst, remoteFile);
}
//TODO what to do with isBinary? //TODO what to do with isBinary?
ChannelSftp channel = null; ChannelSftp channel = null;
//Fixing bug 158534. TODO remove when bug 162688 is fixed. //Fixing bug 158534. TODO remove when bug 162688 is fixed.
@ -561,13 +565,6 @@ public class SftpFileService extends AbstractFileService implements IFileService
try { try {
SftpProgressMonitor sftpMonitor=new MyProgressMonitor(monitor); SftpProgressMonitor sftpMonitor=new MyProgressMonitor(monitor);
int mode=ChannelSftp.OVERWRITE; int mode=ChannelSftp.OVERWRITE;
String dst = remoteParent;
if( remoteFile!=null ) {
if (!dst.endsWith("/")) { //$NON-NLS-1$
dst += '/';
}
dst += remoteFile;
}
dst = recodeSafe(dst); dst = recodeSafe(dst);
getChannel("SftpFileService.upload "+remoteFile); //check the session is healthy //$NON-NLS-1$ getChannel("SftpFileService.upload "+remoteFile); //check the session is healthy //$NON-NLS-1$
channel=(ChannelSftp)fSessionProvider.getSession().openChannel("sftp"); //$NON-NLS-1$ channel=(ChannelSftp)fSessionProvider.getSession().openChannel("sftp"); //$NON-NLS-1$
@ -593,7 +590,7 @@ public class SftpFileService extends AbstractFileService implements IFileService
} }
} }
catch (Exception e) { catch (Exception e) {
Activator.trace("SftpFileService.upload "+remoteFile+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$ Activator.trace("SftpFileService.upload "+dst+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
//return false; //return false;
} }
@ -671,6 +668,7 @@ public class SftpFileService extends AbstractFileService implements IFileService
public boolean download(String remoteParent, String remoteFile, File localFile, boolean isBinary, String hostEncoding, IProgressMonitor monitor) throws SystemMessageException public boolean download(String remoteParent, String remoteFile, File localFile, boolean isBinary, String hostEncoding, IProgressMonitor monitor) throws SystemMessageException
{ {
ChannelSftp channel = null; ChannelSftp channel = null;
String remotePath = concat(remoteParent, remoteFile);
try { try {
if (!localFile.exists()) { if (!localFile.exists()) {
File localParentFile = localFile.getParentFile(); File localParentFile = localFile.getParentFile();
@ -680,18 +678,18 @@ public class SftpFileService extends AbstractFileService implements IFileService
//localFile.createNewFile(); //localFile.createNewFile();
} }
//TODO Ascii/binary? //TODO Ascii/binary?
String remotePath = recode(concat(remoteParent, remoteFile)); String remotePathRecoded = recode(remotePath);
int mode=ChannelSftp.OVERWRITE; int mode=ChannelSftp.OVERWRITE;
MyProgressMonitor sftpMonitor = new MyProgressMonitor(monitor); MyProgressMonitor sftpMonitor = new MyProgressMonitor(monitor);
getChannel("SftpFileService.download "+remoteFile); //check the session is healthy //$NON-NLS-1$ getChannel("SftpFileService.download "+remoteFile); //check the session is healthy //$NON-NLS-1$
channel=(ChannelSftp)fSessionProvider.getSession().openChannel("sftp"); //$NON-NLS-1$ channel=(ChannelSftp)fSessionProvider.getSession().openChannel("sftp"); //$NON-NLS-1$
channel.connect(); channel.connect();
channel.get(remotePath, localFile.getAbsolutePath(), sftpMonitor, mode); channel.get(remotePathRecoded, localFile.getAbsolutePath(), sftpMonitor, mode);
Activator.trace("SftpFileService.download "+remoteFile+ " ok"); //$NON-NLS-1$ //$NON-NLS-2$ Activator.trace("SftpFileService.download "+remoteFile+ " ok"); //$NON-NLS-1$ //$NON-NLS-2$
if (monitor.isCanceled()) { if (monitor.isCanceled()) {
return false; return false;
} else { } else {
SftpATTRS attr = channel.stat(remotePath); SftpATTRS attr = channel.stat(remotePathRecoded);
localFile.setLastModified(1000L * attr.getMTime()); localFile.setLastModified(1000L * attr.getMTime());
//TODO should we set the read-only status? //TODO should we set the read-only status?
//if (0==(attrs.getPermissions() & 00400)) localFile.setReadOnly(); //if (0==(attrs.getPermissions() & 00400)) localFile.setReadOnly();
@ -705,7 +703,7 @@ public class SftpFileService extends AbstractFileService implements IFileService
} }
catch (Exception e) { catch (Exception e) {
//TODO improve message and handling when trying to download a symlink //TODO improve message and handling when trying to download a symlink
Activator.trace("SftpFileService.download "+remoteFile+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$ Activator.trace("SftpFileService.download "+remotePath+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
//Note: In case of an exception, the caller needs to ensure that in case //Note: In case of an exception, the caller needs to ensure that in case
//we downloaded to a temp file, the temp file is deleted again, or a //we downloaded to a temp file, the temp file is deleted again, or a
@ -749,19 +747,20 @@ public class SftpFileService extends AbstractFileService implements IFileService
public IHostFile createFile(String remoteParent, String fileName, IProgressMonitor monitor) throws SystemMessageException public IHostFile createFile(String remoteParent, String fileName, IProgressMonitor monitor) throws SystemMessageException
{ {
IHostFile result = null; IHostFile result = null;
String fullPath = concat(remoteParent, fileName);
if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) { if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) {
try { try {
String fullPath = recodeSafe(concat(remoteParent, fileName)); String fullPathRecoded = recodeSafe(concat(remoteParent, fileName));
OutputStream os = getChannel("SftpFileService.createFile").put(fullPath); //$NON-NLS-1$ OutputStream os = getChannel("SftpFileService.createFile").put(fullPathRecoded); //$NON-NLS-1$
//TODO workaround bug 153118: write a single space //TODO workaround bug 153118: write a single space
//since jsch hangs when trying to close the stream without writing //since jsch hangs when trying to close the stream without writing
os.write(32); os.write(32);
os.close(); os.close();
SftpATTRS attrs = getChannel("SftpFileService.createFile.stat").stat(fullPath); //$NON-NLS-1$ SftpATTRS attrs = getChannel("SftpFileService.createFile.stat").stat(fullPathRecoded); //$NON-NLS-1$
result = makeHostFile(remoteParent, fileName, attrs); result = makeHostFile(remoteParent, fileName, attrs);
Activator.trace("SftpFileService.createFile ok"); //$NON-NLS-1$ Activator.trace("SftpFileService.createFile ok"); //$NON-NLS-1$
} catch (Exception e) { } catch (Exception e) {
Activator.trace("SftpFileService.createFile failed: "+e.toString()); //$NON-NLS-1$ Activator.trace("SftpFileService.createFile "+fullPath+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
} finally { } finally {
fDirChannelMutex.release(); fDirChannelMutex.release();
@ -775,15 +774,16 @@ public class SftpFileService extends AbstractFileService implements IFileService
public IHostFile createFolder(String remoteParent, String folderName, IProgressMonitor monitor) throws SystemMessageException public IHostFile createFolder(String remoteParent, String folderName, IProgressMonitor monitor) throws SystemMessageException
{ {
IHostFile result = null; IHostFile result = null;
String fullPath = concat(remoteParent, folderName);
if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) { if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) {
try { try {
String fullPath = recodeSafe(concat(remoteParent, folderName)); String fullPathRecoded = recodeSafe(fullPath);
getChannel("SftpFileService.createFolder").mkdir(fullPath); //$NON-NLS-1$ getChannel("SftpFileService.createFolder").mkdir(fullPathRecoded); //$NON-NLS-1$
SftpATTRS attrs = getChannel("SftpFileService.createFolder.stat").stat(fullPath); //$NON-NLS-1$ SftpATTRS attrs = getChannel("SftpFileService.createFolder.stat").stat(fullPathRecoded); //$NON-NLS-1$
result = makeHostFile(remoteParent, folderName, attrs); result = makeHostFile(remoteParent, folderName, attrs);
Activator.trace("SftpFileService.createFolder ok"); //$NON-NLS-1$ Activator.trace("SftpFileService.createFolder ok"); //$NON-NLS-1$
} catch (Exception e) { } catch (Exception e) {
Activator.trace("SftpFileService.createFolder failed: "+e.toString()); //$NON-NLS-1$ Activator.trace("SftpFileService.createFolder "+fullPath+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
} finally { } finally {
fDirChannelMutex.release(); fDirChannelMutex.release();
@ -797,18 +797,19 @@ public class SftpFileService extends AbstractFileService implements IFileService
public boolean delete(String remoteParent, String fileName, IProgressMonitor monitor) throws SystemMessageException public boolean delete(String remoteParent, String fileName, IProgressMonitor monitor) throws SystemMessageException
{ {
boolean ok=false; boolean ok=false;
String fullPath = concat(remoteParent, fileName);
Activator.trace("SftpFileService.delete.waitForLock"); //$NON-NLS-1$ Activator.trace("SftpFileService.delete.waitForLock"); //$NON-NLS-1$
if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) { if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) {
try { try {
String fullPath = recodeSafe(concat(remoteParent, fileName)); String fullPathRecoded = recodeSafe(fullPath);
SftpATTRS attrs = null; SftpATTRS attrs = null;
try { try {
attrs = getChannel("SftpFileService.delete").lstat(fullPath); //$NON-NLS-1$ attrs = getChannel("SftpFileService.delete").lstat(fullPathRecoded); //$NON-NLS-1$
} catch (SftpException e) { } catch (SftpException e) {
//bug 154419: test for dangling symbolic link //bug 154419: test for dangling symbolic link
if (e.id == ChannelSftp.SSH_FX_NO_SUCH_FILE) { if (e.id == ChannelSftp.SSH_FX_NO_SUCH_FILE) {
//simply try to delete --> if it really doesnt exist, this will throw an exception //simply try to delete --> if it really doesnt exist, this will throw an exception
getChannel("SftpFileService.delete.rm").rm(fullPath); //$NON-NLS-1$ getChannel("SftpFileService.delete.rm").rm(fullPathRecoded); //$NON-NLS-1$
} else { } else {
throw e; throw e;
} }
@ -818,13 +819,13 @@ public class SftpFileService extends AbstractFileService implements IFileService
ok=true; ok=true;
} else if (attrs.isDir()) { } else if (attrs.isDir()) {
try { try {
getChannel("SftpFileService.delete.rmdir").rmdir(fullPath); //$NON-NLS-1$ getChannel("SftpFileService.delete.rmdir").rmdir(fullPathRecoded); //$NON-NLS-1$
ok=true; ok=true;
} catch(SftpException e) { } catch(SftpException e) {
if(e.id==ChannelSftp.SSH_FX_FAILURE) { if(e.id==ChannelSftp.SSH_FX_FAILURE) {
//Bug 153649: Recursive directory delete //Bug 153649: Recursive directory delete
//throw new RemoteFolderNotEmptyException(); //throw new RemoteFolderNotEmptyException();
String fullPathQuoted = PathUtility.enQuoteUnix(fullPath); String fullPathQuoted = PathUtility.enQuoteUnix(fullPathRecoded);
int rv = runCommand("rm -rf "+fullPathQuoted, monitor); //$NON-NLS-1$ int rv = runCommand("rm -rf "+fullPathQuoted, monitor); //$NON-NLS-1$
ok = (rv==0); ok = (rv==0);
} else { } else {
@ -832,12 +833,12 @@ public class SftpFileService extends AbstractFileService implements IFileService
} }
} }
} else { } else {
getChannel("SftpFileService.delete.rm").rm(fullPath); //$NON-NLS-1$ getChannel("SftpFileService.delete.rm").rm(fullPathRecoded); //$NON-NLS-1$
ok=true; ok=true;
} }
Activator.trace("SftpFileService.delete ok"); //$NON-NLS-1$ Activator.trace("SftpFileService.delete ok"); //$NON-NLS-1$
} catch (Exception e) { } catch (Exception e) {
Activator.trace("SftpFileService.delete: "+e.toString()); //$NON-NLS-1$ Activator.trace("SftpFileService.delete "+fullPath+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
} finally { } finally {
fDirChannelMutex.release(); fDirChannelMutex.release();
@ -849,15 +850,15 @@ public class SftpFileService extends AbstractFileService implements IFileService
public boolean rename(String remoteParent, String oldName, String newName, IProgressMonitor monitor) throws SystemMessageException public boolean rename(String remoteParent, String oldName, String newName, IProgressMonitor monitor) throws SystemMessageException
{ {
boolean ok=false; boolean ok=false;
String fullPathOld = concat(remoteParent, oldName);
String fullPathNew = concat(remoteParent, newName);
if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) { if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) {
try { try {
String fullPathOld = concat(remoteParent, oldName);
String fullPathNew = concat(remoteParent, newName);
getChannel("SftpFileService.rename").rename(recode(fullPathOld), recodeSafe(fullPathNew)); //$NON-NLS-1$ getChannel("SftpFileService.rename").rename(recode(fullPathOld), recodeSafe(fullPathNew)); //$NON-NLS-1$
ok=true; ok=true;
Activator.trace("SftpFileService.rename ok"); //$NON-NLS-1$ Activator.trace("SftpFileService.rename ok"); //$NON-NLS-1$
} catch (Exception e) { } catch (Exception e) {
Activator.trace("SftpFileService.rename failed: "+e.toString()); //$NON-NLS-1$ Activator.trace("SftpFileService.rename "+fullPathOld+" -> "+fullPathNew+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
} finally { } finally {
fDirChannelMutex.release(); fDirChannelMutex.release();
@ -922,6 +923,7 @@ public class SftpFileService extends AbstractFileService implements IFileService
Activator.trace("SftpFileService.runCommand ok, result: "+result); //$NON-NLS-1$ Activator.trace("SftpFileService.runCommand ok, result: "+result); //$NON-NLS-1$
} }
} catch(Exception e) { } catch(Exception e) {
Activator.trace(command);
Activator.trace("SftpFileService.runCommand failed: "+e.toString()); //$NON-NLS-1$ Activator.trace("SftpFileService.runCommand failed: "+e.toString()); //$NON-NLS-1$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
} finally { } finally {
@ -997,14 +999,14 @@ public class SftpFileService extends AbstractFileService implements IFileService
long timestamp, IProgressMonitor monitor) throws SystemMessageException long timestamp, IProgressMonitor monitor) throws SystemMessageException
{ {
boolean ok=false; boolean ok=false;
String path = concat(parent, name);
if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) { if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) {
try { try {
String path = concat(parent, name);
getChannel("SftpFileService.setLastModified").setMtime(recode(path), (int)(timestamp/1000)); //$NON-NLS-1$ getChannel("SftpFileService.setLastModified").setMtime(recode(path), (int)(timestamp/1000)); //$NON-NLS-1$
ok=true; ok=true;
Activator.trace("SftpFileService.setLastModified ok"); //$NON-NLS-1$ Activator.trace("SftpFileService.setLastModified ok"); //$NON-NLS-1$
} catch (Exception e) { } catch (Exception e) {
Activator.trace("SftpFileService.setLastModified failed: "+e.toString()); //$NON-NLS-1$ Activator.trace("SftpFileService.setLastModified "+path+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
} finally { } finally {
fDirChannelMutex.release(); fDirChannelMutex.release();
@ -1016,9 +1018,9 @@ public class SftpFileService extends AbstractFileService implements IFileService
public boolean setReadOnly(String parent, String name, public boolean setReadOnly(String parent, String name,
boolean readOnly, IProgressMonitor monitor) throws SystemMessageException { boolean readOnly, IProgressMonitor monitor) throws SystemMessageException {
boolean ok=false; boolean ok=false;
String path = concat(parent, name);
if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) { if (fDirChannelMutex.waitForLock(monitor, fDirChannelTimeout)) {
try { try {
String path = concat(parent, name);
SftpATTRS attr = getChannel("SftpFileService.setReadOnly").stat(recode(path)); //$NON-NLS-1$ SftpATTRS attr = getChannel("SftpFileService.setReadOnly").stat(recode(path)); //$NON-NLS-1$
int permOld = attr.getPermissions(); int permOld = attr.getPermissions();
int permNew = permOld; int permNew = permOld;
@ -1038,7 +1040,7 @@ public class SftpFileService extends AbstractFileService implements IFileService
Activator.trace("SftpFileService.setReadOnly nothing-to-do"); //$NON-NLS-1$ Activator.trace("SftpFileService.setReadOnly nothing-to-do"); //$NON-NLS-1$
} }
} catch (Exception e) { } catch (Exception e) {
Activator.trace("SftpFileService.setReadOnly failed: "+e.toString()); //$NON-NLS-1$ Activator.trace("SftpFileService.setReadOnly "+path+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
} finally { } finally {
fDirChannelMutex.release(); fDirChannelMutex.release();
@ -1056,16 +1058,17 @@ public class SftpFileService extends AbstractFileService implements IFileService
InputStream stream = null; InputStream stream = null;
String remotePath = concat(remoteParent, remoteFile);
try { try {
String remotePath = recode(concat(remoteParent, remoteFile)); String remotePathRecoded = recode(remotePath);
getChannel("SftpFileService.getInputStream " + remoteFile); //check the session is healthy //$NON-NLS-1$ getChannel("SftpFileService.getInputStream " + remoteFile); //check the session is healthy //$NON-NLS-1$
ChannelSftp channel = (ChannelSftp)fSessionProvider.getSession().openChannel("sftp"); //$NON-NLS-1$ ChannelSftp channel = (ChannelSftp)fSessionProvider.getSession().openChannel("sftp"); //$NON-NLS-1$
channel.connect(); channel.connect();
stream = new SftpBufferedInputStream(channel.get(remotePath), channel); stream = new SftpBufferedInputStream(channel.get(remotePathRecoded), channel);
Activator.trace("SftpFileService.getInputStream " + remoteFile + " ok"); //$NON-NLS-1$ //$NON-NLS-2$ Activator.trace("SftpFileService.getInputStream " + remoteFile + " ok"); //$NON-NLS-1$ //$NON-NLS-2$
} }
catch (Exception e) { catch (Exception e) {
Activator.trace("SftpFileService.getInputStream " + remoteFile + " failed: " + e.toString()); //$NON-NLS-1$ //$NON-NLS-2$ Activator.trace("SftpFileService.getInputStream " + remotePath + " failed: " + e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
} }
@ -1084,21 +1087,14 @@ public class SftpFileService extends AbstractFileService implements IFileService
} }
OutputStream stream = null; OutputStream stream = null;
String dst = remoteParent;
if (remoteFile!=null) {
dst = concat(remoteParent, remoteFile);
}
try { try {
SftpProgressMonitor sftpMonitor = new MyProgressMonitor(monitor); SftpProgressMonitor sftpMonitor = new MyProgressMonitor(monitor);
int mode = ChannelSftp.OVERWRITE; int mode = ChannelSftp.OVERWRITE;
String dst = remoteParent;
if (remoteFile != null) {
if (!dst.endsWith("/")) { //$NON-NLS-1$
dst += '/';
}
dst += remoteFile;
}
getChannel("SftpFileService.getOutputStream " + remoteFile); //check the session is healthy //$NON-NLS-1$ getChannel("SftpFileService.getOutputStream " + remoteFile); //check the session is healthy //$NON-NLS-1$
ChannelSftp channel = (ChannelSftp)fSessionProvider.getSession().openChannel("sftp"); //$NON-NLS-1$ ChannelSftp channel = (ChannelSftp)fSessionProvider.getSession().openChannel("sftp"); //$NON-NLS-1$
channel.connect(); channel.connect();
@ -1106,7 +1102,7 @@ public class SftpFileService extends AbstractFileService implements IFileService
Activator.trace("SftpFileService.getOutputStream " + remoteFile + " ok"); //$NON-NLS-1$ //$NON-NLS-2$ Activator.trace("SftpFileService.getOutputStream " + remoteFile + " ok"); //$NON-NLS-1$ //$NON-NLS-2$
} }
catch (Exception e) { catch (Exception e) {
Activator.trace("SftpFileService.getOutputStream " + remoteFile + " failed: " + e.toString()); //$NON-NLS-1$ //$NON-NLS-2$ Activator.trace("SftpFileService.getOutputStream " + dst + " failed: " + e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
throw makeSystemMessageException(e); throw makeSystemMessageException(e);
} }
if (monitor.isCanceled()) { if (monitor.isCanceled()) {