Servlet results image - intermittent error

Hi!
I have an html that calls a servlet from the src of an image tag. The servlet brings a image as result. The intermittent error is that the image doesn't appears in the very first time. Only when I refresh the page is that the image appears. If I call the page from another browser, the image always appears. But if I restart the application server, the image doesn't appear at the first time, again.
I use the WebSphere Application Server 3.5, and develop the applications with VisualAge for Java 3.5. In both environments the error occurs.
Can someone helps me?
thanks
html: index.html
<HTML>
<HEAD>
</HEAD>
<BODY bgcolor="#FFFFFF">
This is your logo:
<p><img src="servlet/pLog.Counter"></p>
</BODY>
</HTML>servlet pLog.Counter
package pLog;
import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import com.sun.image.codec.jpeg.*;
import java.awt.image.*;
import java.awt.*;
public class Counter extends HttpServlet {
     public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, java.io.IOException {
          doPost(request, response);
     public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, java.io.IOException {
          response.setContentType("image/jpeg");
          ServletOutputStream out = response.getOutputStream();          
          String strImagePath = "http://localhost:8080/images/logogedas.jpg";
          Toolkit toolkit = Toolkit.getDefaultToolkit();
          URL urlIMAGE =     new URL(strImagePath);
          Image image1 = toolkit.getImage(urlIMAGE);
          int iWid = image1.getWidth(null);
          int iHei = image1.getHeight(null);               
          BufferedImage image = new BufferedImage(iWid,iHei, BufferedImage.TYPE_INT_RGB);
          Graphics g = image.getGraphics();
          g.drawImage(image1, 0, 0, null);               
          JPEGImageEncoder encoder =JPEGCodec.createJPEGEncoder(out);
          encoder.encode(image);
          out.close();
}

Hi,
You'll need to define a MediaTracker to wait for the image to be loaded completely. Here's the modified code:
package pLog;
import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import com.sun.image.codec.jpeg.*;
import java.awt.image.*;
import java.awt.*;
public class Counter extends HttpServlet {
     public void doGet(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, java.io.IOException {
               doPost(request, response);
     public void doPost(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, java.io.IOException {
               response.setContentType("image/jpeg");
               ServletOutputStream out = response.getOutputStream();
               String strImagePath = "http://localhost:8080/images/logogedas.jpg";
               Toolkit toolkit = Toolkit.getDefaultToolkit();
               URL urlIMAGE =     new URL(strImagePath);
               Image image1 = toolkit.getImage(urlIMAGE);
               Frame frame = new Frame();
               frame.addNotify();
               MediaTracker tracker = new MediaTracker(frame);
               tracker.addImage(image1, 0);
               try {
                    tracker.waitForAll();
               catch (InterruptedException e) {
                    log("Interrupted while loading image");
                    throw new ServletException(e.getMessage());
               int iWid = image1.getWidth(null);
               int iHei = image1.getHeight(null);
               BufferedImage image = new BufferedImage(iWid,iHei, BufferedImage.TYPE_INT_RGB);
               Graphics g = image.getGraphics();
               g.drawImage(image1, 0, 0, null);
               JPEGImageEncoder encoder =JPEGCodec.createJPEGEncoder(out);
               encoder.encode(image);
               out.close();
}Another possibility is to implement the ImageObserver interface (although it's a little more complicated).
Hope this helps,
Kurt.

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    <Attr Name="_checkCondition" Value="&#34;ASSIGNMENT_ACCESS&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329905" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329906" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.VariableId" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;VARIABLE_ID&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329906" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329907" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.ListValueId" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;LIST_VALUE_ID&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329907" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329908" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.OrganizationId" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;ORGANIZATION_ID&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329908" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329909" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.TemplateId" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;TEMPLATE_ID&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329909" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329910" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.AuctionHeaderId" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;AUCTION_HEADER_ID&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329910" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329911" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.PoHeaderId" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;PO_HEADER_ID&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329911" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329912" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.CreatedBy" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;CREATED_BY&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329912" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329913" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.CreationDate" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;CREATION_DATE&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329913" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329914" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.LastUpdateDate" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;LAST_UPDATE_DATE&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329914" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329915" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.LastUpdatedBy" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;LAST_UPDATED_BY&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329915" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329916" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.LastUpdateLogin" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_checkCondition" Value="&#34;LAST_UPDATE_LOGIN&#34; IS NOT NULL" />
    <Attr Name="_isCheck" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329916" />
    </DesignTime>
    </Key>
    <Key
    Name="SysC00329917" >
    <AttrArray Name="Attributes">
    <Item Value="xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO.AssignmentId" />
    </AttrArray>
    <DesignTime>
    <Attr Name="_isPrimary" Value="true" />
    <Attr Name="_DBObjectName" Value="SYS_C00329917" />
    </DesignTime>
    </Key>
    </Entity>
    XXLCVarAssignmentsEOImpl Code
    package xxlc.oracle.apps.okc.schema.articles.variables.server;
    import oracle.apps.fnd.framework.OAAttrValException;
    import oracle.apps.fnd.framework.OAException;
    import oracle.apps.fnd.framework.server.OADBTransaction;
    import oracle.apps.fnd.framework.server.OAEntityDefImpl;
    import oracle.apps.fnd.framework.server.OAEntityImpl;
    import oracle.jbo.AttributeList;
    import oracle.jbo.Key;
    import oracle.jbo.domain.Date;
    import oracle.jbo.domain.Number;
    import oracle.jbo.server.AttributeDefImpl;
    import oracle.jbo.server.EntityDefImpl;
    // --- File generated by Oracle ADF Business Components Design Time.
    // --- Custom code may be added to this class.
    // --- Warning: Do not modify method signatures of generated methods.
    public class XXLCVarAssignmentsEOImpl extends OAEntityImpl
    public static final int ASSIGNMENTID = 0;
    public static final int ASSIGNMENTACCESS = 1;
    public static final int VARIABLEID = 2;
    public static final int LISTVALUEID = 3;
    public static final int ORGANIZATIONID = 4;
    public static final int TEMPLATEID = 5;
    public static final int AUCTIONHEADERID = 6;
    public static final int POHEADERID = 7;
    public static final int CREATEDBY = 8;
    public static final int CREATIONDATE = 9;
    public static final int LASTUPDATEDATE = 10;
    public static final int LASTUPDATEDBY = 11;
    public static final int LASTUPDATELOGIN = 12;
    public static final int ACCESSID = 13;
    private static OAEntityDefImpl mDefinitionObject;
    /**This is the default constructor (do not remove)
    public XXLCVarAssignmentsEOImpl()
    /**Retrieves the definition object for this instance class.
    public static synchronized EntityDefImpl getDefinitionObject()
    if (mDefinitionObject == null)
    mDefinitionObject =
    (OAEntityDefImpl)EntityDefImpl.findDefObject("xxlc.oracle.apps.okc.schema.articles.variables.server.XXLCVarAssignmentsEO");
    return mDefinitionObject;
    /**Add attribute defaulting logic in this method.
    public void create(AttributeList attributeList)
    super.create(attributeList);
    OADBTransaction transaction = getOADBTransaction();
    Number asgId = transaction.getSequenceValue("XXLC_VAR_ASG_SEQ");
    setAssignmentId(asgId);
    /**Add entity remove logic in this method.
    public void remove()
    super.remove();
    /**Add Entity validation code in this method.
    protected void validateEntity()
    super.validateEntity();
    /**Gets the attribute value for AssignmentId, using the alias name AssignmentId
    public Number getAssignmentId()
    return (Number)getAttributeInternal(ASSIGNMENTID);
    /**Sets <code>value</code> as the attribute value for AssignmentId
    public void setAssignmentId(Number value)
    if (value != null)
    OADBTransaction transaction = getOADBTransaction();
    Object[] varKey = {value};
    EntityDefImpl varDefinition = XXLCVarAssignmentsEOImpl.getDefinitionObject();
    XXLCVarAssignmentsEOImpl variable =
    (XXLCVarAssignmentsEOImpl)varDefinition.findByPrimaryKey(transaction, new Key(varKey));
    if (variable != null)
    throw new OAAttrValException(OAException.TYP_ENTITY_OBJECT,
    getEntityDef().getFullName(), // EO name
    getPrimaryKey(), // EO PK
    "AssignmentId", // Attribute Name
    value, // Attribute value
    "AK", // Message product short name
    "FWK_TBX_T_EMP_ID_UNIQUE"); // Message name
    setAttributeInternal(ASSIGNMENTID, value);
    /**Gets the attribute value for AssignmentAccess, using the alias name AssignmentAccess
    public String getAssignmentAccess()
    return (String)getAttributeInternal(ASSIGNMENTACCESS);
    /**Sets <code>value</code> as the attribute value for AssignmentAccess
    public void setAssignmentAccess(String value)
    setAttributeInternal(ASSIGNMENTACCESS, value);
    /**Gets the attribute value for VariableId, using the alias name VariableId
    public Number getVariableId()
    return (Number)getAttributeInternal(VARIABLEID);
    /**Sets <code>value</code> as the attribute value for VariableId
    public void setVariableId(Number value)
    setAttributeInternal(VARIABLEID, value);
    /**Gets the attribute value for ListValueId, using the alias name ListValueId
    public Number getListValueId()
    return (Number)getAttributeInternal(LISTVALUEID);
    /**Sets <code>value</code> as the attribute value for ListValueId
    public void setListValueId(Number value)
    setAttributeInternal(LISTVALUEID, value);
    /**Gets the attribute value for OrganizationId, using the alias name OrganizationId
    public Number getOrganizationId()
    return (Number)getAttributeInternal(ORGANIZATIONID);
    /**Sets <code>value</code> as the attribute value for OrganizationId
    public void setOrganizationId(Number value)
    setAttributeInternal(ORGANIZATIONID, value);
    /**Gets the attribute value for TemplateId, using the alias name TemplateId
    public Number getTemplateId()
    return (Number)getAttributeInternal(TEMPLATEID);
    /**Sets <code>value</code> as the attribute value for TemplateId
    public void setTemplateId(Number value)
    setAttributeInternal(TEMPLATEID, value);
    /**Gets the attribute value for AuctionHeaderId, using the alias name AuctionHeaderId
    public Number getAuctionHeaderId()
    return (Number)getAttributeInternal(AUCTIONHEADERID);
    /**Sets <code>value</code> as the attribute value for AuctionHeaderId
    public void setAuctionHeaderId(Number value)
    setAttributeInternal(AUCTIONHEADERID, value);
    /**Gets the attribute value for PoHeaderId, using the alias name PoHeaderId
    public Number getPoHeaderId()
    return (Number)getAttributeInternal(POHEADERID);
    /**Sets <code>value</code> as the attribute value for PoHeaderId
    public void setPoHeaderId(Number value)
    setAttributeInternal(POHEADERID, value);
    /**Gets the attribute value for CreatedBy, using the alias name CreatedBy
    public Number getCreatedBy()
    return (Number)getAttributeInternal(CREATEDBY);
    /**Sets <code>value</code> as the attribute value for CreatedBy
    public void setCreatedBy(Number value)
    setAttributeInternal(CREATEDBY, value);
    /**Gets the attribute value for CreationDate, using the alias name CreationDate
    public Date getCreationDate()
    return (Date)getAttributeInternal(CREATIONDATE);
    /**Sets <code>value</code> as the attribute value for CreationDate
    public void setCreationDate(Date value)
    setAttributeInternal(CREATIONDATE, value);
    /**Gets the attribute value for LastUpdateDate, using the alias name LastUpdateDate
    public Date getLastUpdateDate()
    return (Date)getAttributeInternal(LASTUPDATEDATE);
    /**Sets <code>value</code> as the attribute value for LastUpdateDate
    public void setLastUpdateDate(Date value)
    setAttributeInternal(LASTUPDATEDATE, value);
    /**Gets the attribute value for LastUpdatedBy, using the alias name LastUpdatedBy
    public Number getLastUpdatedBy()
    return (Number)getAttributeInternal(LASTUPDATEDBY);
    /**Sets <code>value</code> as the attribute value for LastUpdatedBy
    public void setLastUpdatedBy(Number value)
    setAttributeInternal(LASTUPDATEDBY, value);
    /**Gets the attribute value for LastUpdateLogin, using the alias name LastUpdateLogin
    public Number getLastUpdateLogin()
    return (Number)getAttributeInternal(LASTUPDATELOGIN);
    /**Sets <code>value</code> as the attribute value for LastUpdateLogin
    public void setLastUpdateLogin(Number value)
    setAttributeInternal(LASTUPDATELOGIN, value);
    /**getAttrInvokeAccessor: generated method. Do not modify.
    protected Object getAttrInvokeAccessor(int index,
    AttributeDefImpl attrDef) throws Exception
    switch (index)
    case ASSIGNMENTID:
    return getAssignmentId();
    case ASSIGNMENTACCESS:
    return getAssignmentAccess();
    case VARIABLEID:
    return getVariableId();
    case LISTVALUEID:
    return getListValueId();
    case ORGANIZATIONID:
    return getOrganizationId();
    case TEMPLATEID:
    return getTemplateId();
    case AUCTIONHEADERID:
    return getAuctionHeaderId();
    case POHEADERID:
    return getPoHeaderId();
    case CREATEDBY:
    return getCreatedBy();
    case CREATIONDATE:
    return getCreationDate();
    case LASTUPDATEDATE:
    return getLastUpdateDate();
    case LASTUPDATEDBY:
    return getLastUpdatedBy();
    case LASTUPDATELOGIN:
    return getLastUpdateLogin();
    case ACCESSID:
    return getAccessId();
    default:
    return super.getAttrInvokeAccessor(index, attrDef);
    /**setAttrInvokeAccessor: generated method. Do not modify.
    protected void setAttrInvokeAccessor(int index, Object value,
    AttributeDefImpl attrDef) throws Exception
    switch (index)
    case ASSIGNMENTID:
    setAssignmentId((Number)value);
    return;
    case ASSIGNMENTACCESS:
    setAssignmentAccess((String)value);
    return;
    case VARIABLEID:
    setVariableId((Number)value);
    return;
    case LISTVALUEID:
    setListValueId((Number)value);
    return;
    case ORGANIZATIONID:
    setOrganizationId((Number)value);
    return;
    case TEMPLATEID:
    setTemplateId((Number)value);
    return;
    case AUCTIONHEADERID:
    setAuctionHeaderId((Number)value);
    return;
    case POHEADERID:
    setPoHeaderId((Number)value);
    return;
    case CREATEDBY:
    setCreatedBy((Number)value);
    return;
    case CREATIONDATE:
    setCreationDate((Date)value);
    return;
    case LASTUPDATEDATE:
    setLastUpdateDate((Date)value);
    return;
    case LASTUPDATEDBY:
    setLastUpdatedBy((Number)value);
    return;
    case LASTUPDATELOGIN:
    setLastUpdateLogin((Number)value);
    return;
    case ACCESSID:
    setAccessId((Number)value);
    return;
    default:
    super.setAttrInvokeAccessor(index, value, attrDef);
    return;
    /**Gets the attribute value for AccessId, using the alias name AccessId
    public Number getAccessId()
    return (Number)getAttributeInternal(ACCESSID);
    /**Sets <code>value</code> as the attribute value for AccessId
    public void setAccessId(Number value)
    setAttributeInternal(ACCESSID, value);
    /**Creates a Key object based on given key constituents
    public static Key createPrimaryKey(Number assignmentId)
    return new Key(new Object[]{assignmentId});
    Thanks,
    SK

  • SFTP Issue in OSB invocation resulted in an error: java.util.NoSuchElement

    I created a Proxy Service to do SFTP Poll to read the file from abcserver and its working fine .
    (OSB is on abc server).
    known_hosts file is present on OSB server.
    It has abcserverhostname,IP ssh-rsa AA................. ==
    I created a business service to do SFTP Write to xyz server (remote) - Its not working.
    Error : The invocation resulted in an error: java.util.NoSuchElementException.
    My Business Service
    End Point URI : sftp://xyzserverhostname:22/directorypath
    Authetication Mode : user name, password.I have created a Service Account for xyz server and imported in Business Service.
    Later, I created business service to do SFTP Write on abc server (same server) and it failed.*
    Error : The invocation resulted in an error: java.util.NoSuchElementException
    Do I need to give anything else in known_hosts file ?
    OSBServer.log
    *<Error> <SFTPTransport> <OSBServer> <[ACTIVE] ExecuteThread: '4' for queue: 'weblogic.kernel.Default (self-tuning)'> <<anonymous>> <> <db432d7c09c5a041:4295b211:1310705fe8e:-8000-000000000001f312> <1311176892037> <BEA-381801> <Error occured for endpoint java.util.NoSuchElementException*
    java.util.NoSuchElementException
    at java.util.StringTokenizer.nextToken(StringTokenizer.java:183)
    at java.util.StringTokenizer.nextElement(StringTokenizer.java:149)
    at com.bea.wli.sb.transports.sftp.client.KnownHostVerifier.validateKnownHosts(KnownHostVerifier.java:102)
    at com.bea.wli.sb.transports.sftp.client.SFTPClient.authenticate(SFTPClient.java:104)
    at com.bea.wli.sb.transports.sftp.connector.SFTPResource.<init>(SFTPResource.java:77)
    at com.bea.wli.sb.transports.sftp.resource.SFTPUtils.createSFTPResource(SFTPUtils.java:170)
    at com.bea.wli.sb.transports.sftp.resource.SFTPConnectionPool.getResource(SFTPConnectionPool.java:104)
    at com.bea.wli.sb.transports.sftp.connector.SFTPTransportProvider.getSFTPResource(SFTPTransportProvider.java:958)
    at com.bea.wli.sb.transports.sftp.connector.SFTPTransportProvider.sendMessage(SFTPTransportProvider.java:145)
    at com.bea.wli.sb.transports.sftp.connector.SFTPTransportProvider.sendMessageAsync(SFTPTransportProvider.java:110)
    at sun.reflect.GeneratedMethodAccessor4031.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
    at java.lang.reflect.Method.invoke(Method.java:611)
    at com.bea.wli.sb.transports.Util$1.invoke(Util.java:83)
    at $Proxy142.sendMessageAsync(Unknown Source)
    at com.bea.wli.sb.transports.LoadBalanceFailoverListener.sendMessageAsync(LoadBalanceFailoverListener.java:148)
    at com.bea.wli.sb.transports.LoadBalanceFailoverListener.sendMessageToServiceAsync(LoadBalanceFailoverListener.java:603)
    at com.bea.wli.sb.transports.LoadBalanceFailoverListener.sendMessageToService(LoadBalanceFailoverListener.java:538)
    at com.bea.wli.sb.transports.TransportManagerImpl.sendMessageToService(TransportManagerImpl.java:558)
    at com.bea.wli.sb.transports.TransportManagerImpl.sendMessageAsync(TransportManagerImpl.java:426)
    at com.bea.wli.sb.test.service.ServiceMessageSender.send0(ServiceMessageSender.java:380)
    at com.bea.wli.sb.test.service.ServiceMessageSender.access$000(ServiceMessageSender.java:79)
    at com.bea.wli.sb.test.service.ServiceMessageSender$1.run(ServiceMessageSender.java:137)
    at com.bea.wli.sb.test.service.ServiceMessageSender$1.run(ServiceMessageSender.java:135)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)
    at com.bea.wli.sb.security.WLSSecurityContextService.runAs(WLSSecurityContextService.java:55)
    at com.bea.wli.sb.test.service.ServiceMessageSender.send(ServiceMessageSender.java:140)
    at com.bea.wli.sb.test.service.ServiceProcessor.invoke(ServiceProcessor.java:454)
    at com.bea.wli.sb.test.TestServiceImpl.invoke(TestServiceImpl.java:172)
    at com.bea.wli.sb.test.client.ejb.TestServiceEJBBean.invoke(TestServiceEJBBean.java:167)
    at com.bea.wli.sb.test.client.ejb.TestService_sqr59p_EOImpl.__WL_invoke(Unknown Source)
    at weblogic.ejb.container.internal.SessionRemoteMethodInvoker.invoke(SessionRemoteMethodInvoker.java:40)
    at com.bea.wli.sb.test.client.ejb.TestService_sqr59p_EOImpl.invoke(Unknown Source)
    at com.bea.wli.sb.test.client.ejb.TestService_sqr59p_EOImpl_WLSkel.invoke(Unknown Source)
    at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:667)
    at weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:230)
    at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:522)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)
    at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:518)
    at weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118)
    at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)
    at weblogic.work.ExecuteThread.run(ExecuteThread.java:176)
    Thanks
    Edited by: soauser on Jul 25, 2011 3:22 PM

    Patrick,
    I apologize. polling was done by some other service, not my current OSB Service.
    OSB Proxy Service to poll/read data is not working.
    I enabled logging to Error in Proxy Service. and enable tracing
    If I test my Proxy Service from Console. I see this message
    <con:metadata      xmlns:con="http://www.bea.com/wli/sb/test/config">
         <tran:response-code      xmlns:tran="http://www.bea.com/wli/sb/transports">0</tran:response-code>
         </con:metadata>
    tail -f OSBServer.log
    <Error> <WliSbTransports> <OSBServer> <pool-20-thread-1> <weblogic> <> <db432d7c09c5a041:1f5dbb0e:1314411cf6c:-8000-000000000000213c> <1311178504443> <BEA-381602> <Error encountered while polling the resource for the service endpoint ProxyService$SFTPFileTesting$SFTPFilePoll: com.bea.wli.sb.transports.TransportException
    com.bea.wli.sb.transports.TransportException
    at com.bea.wli.sb.transports.sftp.connector.SFTPWorkPartitioningAgent.execute(SFTPWorkPartitioningAgent.java:125)
    at com.bea.wli.sb.transports.poller.TransportTimerListener.run(TransportTimerListener.java:74)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:452)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:314)
    at java.util.concurrent.FutureTask.run(FutureTask.java:149)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:109)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:215)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:897)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:919)
    at java.lang.Thread.run(Thread.java:736)
    Caused By: java.util.NoSuchElementException
    at java.util.StringTokenizer.nextToken(StringTokenizer.java:183)
    at java.util.StringTokenizer.nextElement(StringTokenizer.java:149)
    at com.bea.wli.sb.transports.sftp.client.KnownHostVerifier.validateKnownHosts(KnownHostVerifier.java:102)
    at com.bea.wli.sb.transports.sftp.client.SFTPClient.authenticate(SFTPClient.java:104)
    at com.bea.wli.sb.transports.sftp.connector.SFTPResource.<init>(SFTPResource.java:77)
    at com.bea.wli.sb.transports.sftp.resource.SFTPUtils.createSFTPResource(SFTPUtils.java:170)
    at com.bea.wli.sb.transports.sftp.connector.SFTPWorkPartitioningAgent.getSftpResource(SFTPWorkPartitioningAgent.java:148)
    at com.bea.wli.sb.transports.sftp.connector.SFTPWorkPartitioningAgent.execute(SFTPWorkPartitioningAgent.java:58)
    at com.bea.wli.sb.transports.poller.TransportTimerListener.run(TransportTimerListener.java:74)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:452)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:314)
    at java.util.concurrent.FutureTask.run(FutureTask.java:149)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:109)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:215)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:897)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:919)
    at java.lang.Thread.run(Thread.java:736)
    Edited by: soauser on Jul 20, 2011 9:36 AM
    Edited by: soauser on Jul 25, 2011 3:22 PM

  • SFTP: The invocation resulted in an error: java.util.NoSuchElementException

    I have created a business service using the SFTP protocol.
    When testing the BS, I received the "known_hosts doesn't exist or doesn't have read permission" error, which I resolve by placing the known_host file in $Domain_Home\config\osb\transports\sftp
    But now I have got another error "The invocation resulted in an error: java.util.NoSuchElementException". Does anyone know what this error refers to? I have already set the filename through the transport header.

    I have created a business service using the SFTP protocol.
    When testing the BS, I received the "known_hosts doesn't exist or doesn't have read permission" error, which I resolve by placing the known_host file in $Domain_Home\config\osb\transports\sftp
    But now I have got another error "The invocation resulted in an error: java.util.NoSuchElementException". Does anyone know what this error refers to? I have already set the filename through the transport header.

  • The invocation resulted in an error: java.util.NoSuchElementException

    I am trying to implement sftp protcol for oracle service bus using business service.
    While invocation it is throwing "The invocation resulted in an error: java.util.NoSuchElementException" error.
    Does any one know the reason for it?

    known_hosts file must contain data & hostname and IP address must be separated by a comma.
    e.g. localhost,127.0.0.1 ssh-rsa ABCDEF............==
    Regards,
    Anuj

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