Non Privilege mode

we are running XP and Windows 7 with user logged-in with local admin rights. Using Group Policy of Windows, you can run IE in
non-privilege mode so that if the browser session is hijacked, can't impact O/S because IE is running with user level privilege not as admin. How can I set up similar setting in Firefox?

check the pc suite version you have.The latest is 7.1 and new phones wouldnt be supported by older versions of pc suite like 6.84.If you're using older version it will give such message.
In Love With My C6-01:Now running on Nokia Belle!

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    Hello,
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  • Excise invoice utilization pencil icon is showing non display mode

    Hi Expert
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  • Exchange 2010 all mail clients with internal cached and internal non-cached mode users having connection status issues, login prompt -- external is fine either way

    Hello,
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    Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."

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  • Item field to non-editable mode(display mode) in Purchase Order(ME22n).

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  • Outlook 2007-2013 doesn't connect in non-cached mode to Exchange 2013.

    Hello!
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    Hi Allen!
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    ExternalHostname                   : exchange2010.contoso.com
    InternalHostname                   :
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    ExternalClientAuthenticationMethod : Basic
    InternalClientAuthenticationMethod : Ntlm
    IISAuthenticationMethods           : {Basic}
    ExternalHostname                   : exchange2010.contoso.com
    InternalHostname                   :
    Name                               : Rpc (Default Web Site)
    ExternalClientAuthenticationMethod : Basic
    InternalClientAuthenticationMethod : Ntlm
    IISAuthenticationMethods           : {Basic}
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    InternalHostname                   : cas1302.domain.local
    Name                               : Rpc (Default Web Site)
    ExternalClientAuthenticationMethod : Basic
    InternalClientAuthenticationMethod : Ntlm
    IISAuthenticationMethods           : {Basic}
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    InternalHostname                   : cas1301.domain.local
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  • The note field is in non-editable mode in appraisal document

    Hi all,
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    Hello Girish,
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  • SELECT of OCILobLocator in Non Blocking mode

    Hi all.
    I have problem:
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    Details:
    Application contains two threads : 1. select blob field, 2. update it.
    I tried separate update and select to different apps (and run its in one time) - problem reproduced.
    problem reproduced for OCIStmtFetch and OCIStmtFetch2.
    If disable non blocking mode - problem disappear.
    if error appear - record level error code contains 1405. Need wait few minutes for error message appearing (~1 minute in my case).
    Using of OCI_DEFAULT in OCIDefineByPos instead OCI_DYNAMIC_FETCH don't solve problem.
    I use oracle server and client library with version 10.2.0.4
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    execute_select(): can't make OCIStmtFetch2: status = -1, message = 'ORA-03106: fatal two-task communication protocol error
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    execute_select(): can't make OCIStmtFetch2: status = -1, message = 'ORA-03106: fatal two-task communication protocol error
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    execute_select(): can't make OCIStmtFetch2: status = -1, message = 'ORA-03106: fatal two-task communication protocol error
    ', error code = 3106, row errors: #877: 1405
    execute_select(): can't make OCIStmtFetch2: status = -1, message = 'ORA-03106: fatal two-task communication protocol error
    ', error code = 3106, row errors: #54: 1405
    Can anybody help me ?
    m.b. exists workaround ?
    #include <iostream>
    #include <sstream>
    #include <assert.h>
    #include <oci.h>
    #define _DYN 1
    before run this test run next sql at DB:
    CREATE TABLE ADSERVERTEST_BLOB(id NUMBER(10), text BLOB);
    BEGIN
    FOR i IN 0..999 LOOP
    INSERT INTO ADSERVERTEST_BLOB(id, text) VALUES(i, utl_raw.cast_to_raw('init'));
    END LOOP;
    END;
    template<typename Type, unsigned long TypeId>
    class OCIHandlePtr
    public:
    OCIHandlePtr(): handle_(0) {}
    OCIHandlePtr(Type* handle): handle_(handle) {}
    ~OCIHandlePtr()
    reset(0);
    void reset(Type* handle)
    if(handle_)
    sword result;
    if((result = OCIHandleFree(
    handle_,
    TypeId)) != OCI_SUCCESS)
    assert(0);
    std::cerr << "Can't make OCIHandleFree" << std::endl;
    handle_ = handle;
    Type* get()
    return handle_;
    Type*& fill()
    reset(0);
    return handle_;
    private:
    Type* handle_;
    template<typename Type, unsigned long TypeId>
    class OCIDescriptorPtr
    public:
    OCIDescriptorPtr(): handle_(0) {}
    OCIDescriptorPtr(Type* handle): handle_(handle) {}
    ~OCIDescriptorPtr()
    reset(0);
    void reset(Type* handle)
    if(handle_)
    sword result;
    if((result = OCIDescriptorFree(
    handle_,
    TypeId)) != OCI_SUCCESS)
    std::cerr << "Can't make OCIDescriptorFree" << std::endl;
    handle_ = handle;
    Type* get()
    return handle_;
    Type*& fill()
    reset(0);
    return handle_;
    private:
    Type* handle_;
    void throw_oci_error(
    const char* fun,
    const char* oci_op,
    long status,
    OCIError* oci_error_handler,
    const char* query = 0)
    std::cerr << fun << ": can't make " << oci_op << ": status = " << status;
    if(status == OCI_SUCCESS_WITH_INFO ||
    status == OCI_ERROR)
    std::cerr << ", message = '";
    text err_buf[1024] = "";
    sb4 err_code = 0;
    OCIErrorGet(
    oci_error_handler,
    (ub4)1,
    0,
    &err_code,
    err_buf,
    sizeof(err_buf),
    (ub4)OCI_HTYPE_ERROR);
    std::cerr << err_buf << "', error code = " << err_code;
    exit(1);
    if(query)
    std::cerr << ", sql = " << query;
    OCIHandlePtr<OCIEnv, OCI_HTYPE_ENV> environment_handle;
    void connect(
    OCIEnv* environment_handle,
    const char* db,
    const char* user,
    const char* password,
    OCIHandlePtr<OCIError, OCI_HTYPE_ERROR>& error_handle,
    OCIHandlePtr<OCIServer, OCI_HTYPE_SERVER>& server_handle,
    OCIHandlePtr<OCISession, OCI_HTYPE_SESSION>& session_handle,
    OCIHandlePtr<OCISvcCtx, OCI_HTYPE_SVCCTX>& svc_context_handle)
    static const char* FUN = "connect()";
    sword result;
    // allocate an error handle
    if((result = OCIHandleAlloc(
    environment_handle,
    (void **) &error_handle.fill(),
    OCI_HTYPE_ERROR,
    0, // extra memory to allocate
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    // allocate a server handle
    if((result = OCIHandleAlloc(
    environment_handle,
    (void **) &server_handle.fill(),
    OCI_HTYPE_SERVER,
    0, // extra memory to allocate
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    if((result = OCIServerAttach(
    server_handle.get(),
    error_handle.get(),
    (text*)db,
    strlen(db),
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIServerAttach", result, error_handle.get());
    // allocate a service handle
    if((result = OCIHandleAlloc(
    environment_handle,
    (void **) &svc_context_handle.fill(),
    OCI_HTYPE_SVCCTX,
    0, // extra memory to allocate
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    // set the server attribute in the service context handle
    if((result = OCIAttrSet(
    svc_context_handle.get(),
    OCI_HTYPE_SVCCTX,
    server_handle.get(),
    sizeof(OCIServer*),
    OCI_ATTR_SERVER,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    // allocate a user session handle
    if((result = OCIHandleAlloc(
    environment_handle,
    (void **)&session_handle.fill(),
    OCI_HTYPE_SESSION,
    0, // extra memory to allocate
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    // set username and password attributes in user session handle
    if((result = OCIAttrSet(
    session_handle.get(),
    OCI_HTYPE_SESSION,
    (text*)user,
    strlen(user),
    OCI_ATTR_USERNAME,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrSet", result, error_handle.get());
    if((result = OCIAttrSet(
    session_handle.get(),
    OCI_HTYPE_SESSION,
    (text*)password,
    strlen(password),
    OCI_ATTR_PASSWORD,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrSet", result, error_handle.get());
    // start the session
    if((result = OCISessionBegin(
    svc_context_handle.get(),
    error_handle.get(),
    session_handle.get(),
    OCI_CRED_RDBMS,
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCISessionBegin", result, error_handle.get());
    // set the user session attribute in the service context handle
    if((result = OCIAttrSet(
    svc_context_handle.get(),
    OCI_HTYPE_SVCCTX,
    session_handle.get(),
    sizeof(OCISession*),
    OCI_ATTR_SESSION,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrSet", result, error_handle.get());
    ub1 attr_value = 1;
    if((result = OCIAttrSet(
    server_handle.get(),
    OCI_HTYPE_SERVER,
    &attr_value,
    sizeof(attr_value),
    OCI_ATTR_NONBLOCKING_MODE,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrSet", result, error_handle.get());
    void disconnect(
    OCIEnv* environment_handle,
    OCIError* error_handle,
    OCIServer* server_handle,
    OCISession* session_handle,
    OCISvcCtx* svc_context_handle)
    static const char* FUN = "disconnect()";
    sword result;
    if((result = OCISessionEnd(
    svc_context_handle,
    error_handle,
    session_handle,
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCISessionEnd", result, error_handle);
    if((result = OCIServerDetach(
    server_handle,
    error_handle,
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIServerDetach", result, error_handle);
    OCILobLocator* FETCH_BUFFER_1[10000*1024];
    char IND_BUFFER_1[10000*1024];
    ub2 ERROR_BUFFER_1[1024];
    OCIDefine* define_handle_1;
    void clear_blob_buf(
    OCILobLocator** buf,
    unsigned long fetch_size)
    for(unsigned long i = 0; i < 1024; ++i)
    OCIDescriptorFree(
    buf,
    (ub4)OCI_DTYPE_LOB);
    ::memset(buf, 0, fetch_size * 1024);
    uint32_t RET_LEN4;
    sb4 oci_blob_callback(
    dvoid* ctx,
    OCIDefine* define,
    ub4 iter,
    dvoid** bufpp,
    ub4** alenpp,
    ub1* piecep,
    dvoid** indpp,
    ub2** rcodepp)
    RET_LEN4 = sizeof(OCILobLocator*);
    *bufpp = FETCH_BUFFER_1[iter];
    *alenpp = &RET_LEN4;
    *piecep = OCI_ONE_PIECE;
    *indpp = IND_BUFFER_1 + iter;
    *rcodepp = ERROR_BUFFER_1 + iter;
    //std::cout << "iter: " << iter << std::endl;
    return OCI_CONTINUE;
    int define_column(
    OCIEnv* environment_handle,
    OCISvcCtx* svc_handle,
    OCIStmt* stmt_handle,
    OCIError* error_handle,
    OCIDefine** define_handle,
    unsigned long pos,
    long oci_type,
    unsigned long fetch_size,
    OCILobLocator** buf,
    char* ind_buf,
    ub2* err_buf)
    static const char* FUN = "define_column()";
    sword result;
    if(oci_type == SQLT_BLOB)
    ::memset(buf, 0, fetch_size * 1024);
    for(int i = 0; i < 1024; ++i)
    if((result = OCIDescriptorAlloc(
    (dvoid*)environment_handle,
    (dvoid**)&buf[i],
    (ub4)OCI_DTYPE_LOB,
    (size_t)0,
    (dvoid**)0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIDescriptorAlloc", result, error_handle);
    ub2 size = 0;
    OCIDescriptorPtr<OCIParam, OCI_DTYPE_PARAM> param_handle;
    // ub2 oci_data_type = 0;
    if((result = OCIParamGet(
    stmt_handle,
    OCI_HTYPE_STMT,
    error_handle,
    reinterpret_cast<void**>(&param_handle.fill()),
    pos)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIParamGet", result, error_handle);
    if((result = OCIAttrGet(
    param_handle.get(),
    OCI_DTYPE_PARAM,
    &size,
    0,
    OCI_ATTR_DATA_SIZE,
    error_handle)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrGet", result, error_handle);
    if((result = OCIDefineByPos(
    stmt_handle,
    define_handle,
    error_handle,
    pos,
    # ifdef _DYN
    0,
    -1,
    #else
    buf,
    fetch_size,
    #endif
    oci_type,
    ind_buf,
    0,
    err_buf, // ptr to array of column-level return codes
    # ifdef _DYN
    OCI_DYNAMIC_FETCH
    # else
    OCI_DEFAULT
    # endif
    )) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIDefineByPos", result, error_handle);
    # ifdef _DYN
    if((result = OCIDefineDynamic(
    *define_handle,
    error_handle,
    0,
    oci_blob_callback)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIDefineByPos", result, error_handle);
    # endif
    return 0;
    int define_columns(
    OCIEnv* environment_handle,
    OCISvcCtx* svc_handle,
    OCIStmt* stmt_handle,
    OCIError* error_handle)
    static const char* FUN = "define_columns()";
    define_handle_1 = 0;
    int pos = 1;
    ::memset(ERROR_BUFFER_1, 0, 1024 * sizeof(ERROR_BUFFER_1[0]));
    define_column(
    environment_handle,
    svc_handle,
    stmt_handle,
    error_handle,
    &define_handle_1,
    pos++,
    SQLT_BLOB,
    sizeof(OCILobLocator*),
    FETCH_BUFFER_1,
    IND_BUFFER_1,
    ERROR_BUFFER_1);
    return 0;
    int execute_select(
    const char* db,
    const char* user,
    const char* password)
    static const char* FUN = "execute_select()";
    const unsigned long FETCH_COUNT = 1024;
    OCIHandlePtr<OCIError, OCI_HTYPE_ERROR> error_handle;
    OCIHandlePtr<OCIServer, OCI_HTYPE_SERVER> server_handle;
    OCIHandlePtr<OCISession, OCI_HTYPE_SESSION> session_handle;
    OCIHandlePtr<OCISvcCtx, OCI_HTYPE_SVCCTX> svc_context_handle;
    connect(
    environment_handle.get(),
    db,
    user,
    password,
    error_handle,
    server_handle,
    session_handle,
    svc_context_handle);
    OCIHandlePtr<OCIStmt, OCI_HTYPE_STMT> stmt_handle;
    sword result;
    if((result = OCIHandleAlloc(
    environment_handle.get(),
    (void**)&stmt_handle.fill(),
    OCI_HTYPE_STMT,
    0,
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    const char QUERY[] = "SELECT text FROM ADSERVERTEST_BLOB";
    ub4 rows = 0;
    if((result = OCIAttrSet(
    stmt_handle.get(),
    OCI_HTYPE_STMT,
    (dvoid *)&rows,
    (ub4)sizeof(ub4),
    OCI_ATTR_PREFETCH_ROWS,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(
    FUN, "OCIAttrSet(OCI_ATTR_PREFETCH_ROWS)", result, error_handle.get());
    if((result = OCIStmtPrepare(
    stmt_handle.get(),
    error_handle.get(),
    (text*)QUERY,
    strlen(QUERY),
    OCI_NTV_SYNTAX,
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIStmtPrepare", result, error_handle.get());
    ub2 stmt_type;
    if((result = OCIAttrGet(
    stmt_handle.get(),
    OCI_HTYPE_STMT,
    &stmt_type,
    0,
    OCI_ATTR_STMT_TYPE,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrGet", result, error_handle.get());
    ub4 prev_fetched = 0;
    while((result = OCIStmtExecute(
    svc_context_handle.get(),
    stmt_handle.get(),
    error_handle.get(),
    0,
    0,
    0,
    0,
    OCI_DEFAULT)) != OCI_SUCCESS)
    if(result != OCI_STILL_EXECUTING)
    throw_oci_error(FUN, "OCIStmtExecute", result, error_handle.get());
    define_columns(
    environment_handle.get(),
    svc_context_handle.get(),
    stmt_handle.get(),
    error_handle.get());
    ub4 all_fetched_count = 0;
    while(true)
    while((result = OCIStmtFetch2(
    stmt_handle.get(),
    error_handle.get(),
    FETCH_COUNT,
    OCI_FETCH_NEXT,
    1,
    OCI_DEFAULT)) == OCI_STILL_EXECUTING
    # ifdef _DYN
    // || result == OCI_NEED_DATA
    # endif
    if (result != OCI_SUCCESS &&
    result != OCI_NO_DATA &&
    result != OCI_SUCCESS_WITH_INFO)
    std::cerr << FUN << ": can't make OCIStmtFetch2: status = " << result;
    std::cerr << ", message = '";
    text err_buf[1024] = "";
    sb4 err_code = 0;
    OCIErrorGet(
    error_handle.get(),
    (ub4)1,
    0,
    &err_code,
    err_buf,
    sizeof(err_buf),
    (ub4)OCI_HTYPE_ERROR);
    std::cerr << err_buf << "', error code = " << err_code << ", row errors: ";
    for(const ub2* cur = ERROR_BUFFER_1;
    cur < ERROR_BUFFER_1 + 1024; ++cur)
    if(*cur)
    std::cerr << "#" << (cur - ERROR_BUFFER_1) << ": " <<
    *cur << std::endl;
    ub4 fetched_count = 0;
    if((result = OCIAttrGet (
    stmt_handle.get(),
    OCI_HTYPE_STMT,
    &fetched_count,
    0,
    OCI_ATTR_ROW_COUNT,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrGet", result, error_handle.get());
    all_fetched_count += fetched_count;
    if(fetched_count > 0)
    for(unsigned long i = 0; i < fetched_count - 1; ++i)
    ub4 lob_size;
    while((result = OCILobGetLength(
    svc_context_handle.get(),
    error_handle.get(),
    FETCH_BUFFER_1[i],
    &lob_size)) == OCI_STILL_EXECUTING)
    if(result != OCI_SUCCESS)
    throw_oci_error(FUN, "OCILobGetLength", result, error_handle.get());
    std::cout << "#" << i << ": ind = " << (unsigned long)IND_BUFFER_1[i] <<
    ", len = " << lob_size << std::endl;
    if(fetched_count - prev_fetched < FETCH_COUNT)
    break;
    prev_fetched = fetched_count;
    clear_blob_buf(
    FETCH_BUFFER_1,
    sizeof(OCILobLocator*));
    while((result = OCIStmtFetch(
    stmt_handle.get(),
    error_handle.get(),
    0,
    OCI_FETCH_NEXT,
    OCI_DEFAULT)) == OCI_STILL_EXECUTING
    disconnect(
    environment_handle.get(),
    error_handle.get(),
    server_handle.get(),
    session_handle.get(),
    svc_context_handle.get());
    return 0;
    int execute_update(
    const char* db,
    const char* user,
    const char* password)
    static const char* FUN = "execute_update()";
    OCIHandlePtr<OCIError, OCI_HTYPE_ERROR> error_handle;
    OCIHandlePtr<OCIServer, OCI_HTYPE_SERVER> server_handle;
    OCIHandlePtr<OCISession, OCI_HTYPE_SESSION> session_handle;
    OCIHandlePtr<OCISvcCtx, OCI_HTYPE_SVCCTX> svc_context_handle;
    connect(
    environment_handle.get(),
    db,
    user,
    password,
    error_handle,
    server_handle,
    session_handle,
    svc_context_handle);
    OCIHandlePtr<OCIStmt, OCI_HTYPE_STMT> stmt_handle;
    for(int i = 0; i < 1000; ++i)
    sword result;
    if((result = OCIHandleAlloc(
    environment_handle.get(),
    (void**)&stmt_handle.fill(),
    OCI_HTYPE_STMT,
    0,
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    std::ostringstream sql;
    std::string str;
    std::string et("\xEB\xB2\x88");
    unsigned long rep = ::rand() % 500 + 1;
    str.reserve(rep*et.size());
    for(unsigned long ei = 0; ei < rep; ++ei)
    str.append(et);
    sql << "BEGIN " <<
    "UPDATE ADSERVERTEST_BLOB SET text = "
    "utl_raw.cast_to_raw('" << str << "') "
    "WHERE id = " << i <<
    "END;";
    if((result = OCIStmtPrepare(
    stmt_handle.get(),
    error_handle.get(),
    (text*)sql.str().c_str(),
    sql.str().length(),
    OCI_NTV_SYNTAX,
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIStmtPrepare", result, error_handle.get());
    while((result = OCIStmtExecute(
    svc_context_handle.get(),
    stmt_handle.get(),
    error_handle.get(),
    1,
    0,
    0,
    0,
    OCI_DEFAULT)) != OCI_SUCCESS)
    if(result != OCI_STILL_EXECUTING)
    throw_oci_error(FUN, "OCIStmtExecute", result, error_handle.get());
    disconnect(
    environment_handle.get(),
    error_handle.get(),
    server_handle.get(),
    session_handle.get(),
    svc_context_handle.get());
    return 0;
    void* select_thread(void* ctx)
    while(true)
    execute_select(
    "//oraclept.ocslab.com/addbpt.ocslab.com",
    "bs_unittest_4",
    "adserver");
    // std::cout << "select finished" << std::endl;
    return ctx;
    void* update_thread(void* ctx)
    while(true)
    execute_update(
    "//oraclept.ocslab.com/addbpt.ocslab.com",
    "bs_unittest_4",
    "adserver");
    // std::cout << "update finished" << std::endl;
    return ctx;
    int main()
    static const char* FUN = "main()";
    sword result;
    // allocate an environment handle
    if((result = OCIEnvCreate(
    &environment_handle.fill(),
    OCI_OBJECT | OCI_THREADED,
    0, // context
    0, // malloc
    0, // realloc
    0, // free
    0, // extra memory to allocate
    0) // pointer to user-memory
    ) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIEnvCreate", result, 0);
    pthread_t th1, th2;
    pthread_create(&th1, 0, select_thread, 0);
    pthread_create(&th2, 0, update_thread, 0);
    pthread_join(th1, 0);
    pthread_join(th2, 0);
    return 0;
    Edited by: user13011391 on 20.04.2010 5:50
    Edited by: user13011391 on 20.04.2010 6:00
    Edited by: user13011391 on 20.04.2010 6:15

    Hi all.
    I have problem:
    I try select BLOB field into OCILobLocator* buffer in Non Blocking mode, and receive 'ORA-03106: fatal two-task communication protocol error' sometimes.
    Details:
    Application contains two threads : 1. select blob field, 2. update it.
    I tried separate update and select to different apps (and run its in one time) - problem reproduced.
    problem reproduced for OCIStmtFetch and OCIStmtFetch2.
    If disable non blocking mode - problem disappear.
    if error appear - record level error code contains 1405. Need wait few minutes for error message appearing (~1 minute in my case).
    Using of OCI_DEFAULT in OCIDefineByPos instead OCI_DYNAMIC_FETCH don't solve problem.
    I use oracle server and client library with version 10.2.0.4
    Output sample:
    execute_select(): can't make OCIStmtFetch2: status = -1, message = 'ORA-03106: fatal two-task communication protocol error
    ', error code = 3106, row errors: #877: 1405
    execute_select(): can't make OCIStmtFetch2: status = -1, message = 'ORA-03106: fatal two-task communication protocol error
    ', error code = 3106, row errors: #54: 1405
    execute_select(): can't make OCIStmtFetch2: status = -1, message = 'ORA-03106: fatal two-task communication protocol error
    ', error code = 3106, row errors: #877: 1405
    execute_select(): can't make OCIStmtFetch2: status = -1, message = 'ORA-03106: fatal two-task communication protocol error
    ', error code = 3106, row errors: #54: 1405
    Can anybody help me ?
    m.b. exists workaround ?
    #include <iostream>
    #include <sstream>
    #include <assert.h>
    #include <oci.h>
    #define _DYN 1
    before run this test run next sql at DB:
    CREATE TABLE ADSERVERTEST_BLOB(id NUMBER(10), text BLOB);
    BEGIN
    FOR i IN 0..999 LOOP
    INSERT INTO ADSERVERTEST_BLOB(id, text) VALUES(i, utl_raw.cast_to_raw('init'));
    END LOOP;
    END;
    template<typename Type, unsigned long TypeId>
    class OCIHandlePtr
    public:
    OCIHandlePtr(): handle_(0) {}
    OCIHandlePtr(Type* handle): handle_(handle) {}
    ~OCIHandlePtr()
    reset(0);
    void reset(Type* handle)
    if(handle_)
    sword result;
    if((result = OCIHandleFree(
    handle_,
    TypeId)) != OCI_SUCCESS)
    assert(0);
    std::cerr << "Can't make OCIHandleFree" << std::endl;
    handle_ = handle;
    Type* get()
    return handle_;
    Type*& fill()
    reset(0);
    return handle_;
    private:
    Type* handle_;
    template<typename Type, unsigned long TypeId>
    class OCIDescriptorPtr
    public:
    OCIDescriptorPtr(): handle_(0) {}
    OCIDescriptorPtr(Type* handle): handle_(handle) {}
    ~OCIDescriptorPtr()
    reset(0);
    void reset(Type* handle)
    if(handle_)
    sword result;
    if((result = OCIDescriptorFree(
    handle_,
    TypeId)) != OCI_SUCCESS)
    std::cerr << "Can't make OCIDescriptorFree" << std::endl;
    handle_ = handle;
    Type* get()
    return handle_;
    Type*& fill()
    reset(0);
    return handle_;
    private:
    Type* handle_;
    void throw_oci_error(
    const char* fun,
    const char* oci_op,
    long status,
    OCIError* oci_error_handler,
    const char* query = 0)
    std::cerr << fun << ": can't make " << oci_op << ": status = " << status;
    if(status == OCI_SUCCESS_WITH_INFO ||
    status == OCI_ERROR)
    std::cerr << ", message = '";
    text err_buf[1024] = "";
    sb4 err_code = 0;
    OCIErrorGet(
    oci_error_handler,
    (ub4)1,
    0,
    &err_code,
    err_buf,
    sizeof(err_buf),
    (ub4)OCI_HTYPE_ERROR);
    std::cerr << err_buf << "', error code = " << err_code;
    exit(1);
    if(query)
    std::cerr << ", sql = " << query;
    OCIHandlePtr<OCIEnv, OCI_HTYPE_ENV> environment_handle;
    void connect(
    OCIEnv* environment_handle,
    const char* db,
    const char* user,
    const char* password,
    OCIHandlePtr<OCIError, OCI_HTYPE_ERROR>& error_handle,
    OCIHandlePtr<OCIServer, OCI_HTYPE_SERVER>& server_handle,
    OCIHandlePtr<OCISession, OCI_HTYPE_SESSION>& session_handle,
    OCIHandlePtr<OCISvcCtx, OCI_HTYPE_SVCCTX>& svc_context_handle)
    static const char* FUN = "connect()";
    sword result;
    // allocate an error handle
    if((result = OCIHandleAlloc(
    environment_handle,
    (void **) &error_handle.fill(),
    OCI_HTYPE_ERROR,
    0, // extra memory to allocate
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    // allocate a server handle
    if((result = OCIHandleAlloc(
    environment_handle,
    (void **) &server_handle.fill(),
    OCI_HTYPE_SERVER,
    0, // extra memory to allocate
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    if((result = OCIServerAttach(
    server_handle.get(),
    error_handle.get(),
    (text*)db,
    strlen(db),
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIServerAttach", result, error_handle.get());
    // allocate a service handle
    if((result = OCIHandleAlloc(
    environment_handle,
    (void **) &svc_context_handle.fill(),
    OCI_HTYPE_SVCCTX,
    0, // extra memory to allocate
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    // set the server attribute in the service context handle
    if((result = OCIAttrSet(
    svc_context_handle.get(),
    OCI_HTYPE_SVCCTX,
    server_handle.get(),
    sizeof(OCIServer*),
    OCI_ATTR_SERVER,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    // allocate a user session handle
    if((result = OCIHandleAlloc(
    environment_handle,
    (void **)&session_handle.fill(),
    OCI_HTYPE_SESSION,
    0, // extra memory to allocate
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    // set username and password attributes in user session handle
    if((result = OCIAttrSet(
    session_handle.get(),
    OCI_HTYPE_SESSION,
    (text*)user,
    strlen(user),
    OCI_ATTR_USERNAME,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrSet", result, error_handle.get());
    if((result = OCIAttrSet(
    session_handle.get(),
    OCI_HTYPE_SESSION,
    (text*)password,
    strlen(password),
    OCI_ATTR_PASSWORD,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrSet", result, error_handle.get());
    // start the session
    if((result = OCISessionBegin(
    svc_context_handle.get(),
    error_handle.get(),
    session_handle.get(),
    OCI_CRED_RDBMS,
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCISessionBegin", result, error_handle.get());
    // set the user session attribute in the service context handle
    if((result = OCIAttrSet(
    svc_context_handle.get(),
    OCI_HTYPE_SVCCTX,
    session_handle.get(),
    sizeof(OCISession*),
    OCI_ATTR_SESSION,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrSet", result, error_handle.get());
    ub1 attr_value = 1;
    if((result = OCIAttrSet(
    server_handle.get(),
    OCI_HTYPE_SERVER,
    &attr_value,
    sizeof(attr_value),
    OCI_ATTR_NONBLOCKING_MODE,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrSet", result, error_handle.get());
    void disconnect(
    OCIEnv* environment_handle,
    OCIError* error_handle,
    OCIServer* server_handle,
    OCISession* session_handle,
    OCISvcCtx* svc_context_handle)
    static const char* FUN = "disconnect()";
    sword result;
    if((result = OCISessionEnd(
    svc_context_handle,
    error_handle,
    session_handle,
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCISessionEnd", result, error_handle);
    if((result = OCIServerDetach(
    server_handle,
    error_handle,
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIServerDetach", result, error_handle);
    OCILobLocator* FETCH_BUFFER_1[10000*1024];
    char IND_BUFFER_1[10000*1024];
    ub2 ERROR_BUFFER_1[1024];
    OCIDefine* define_handle_1;
    void clear_blob_buf(
    OCILobLocator** buf,
    unsigned long fetch_size)
    for(unsigned long i = 0; i < 1024; ++i)
    OCIDescriptorFree(
    buf,
    (ub4)OCI_DTYPE_LOB);
    ::memset(buf, 0, fetch_size * 1024);
    uint32_t RET_LEN4;
    sb4 oci_blob_callback(
    dvoid* ctx,
    OCIDefine* define,
    ub4 iter,
    dvoid** bufpp,
    ub4** alenpp,
    ub1* piecep,
    dvoid** indpp,
    ub2** rcodepp)
    RET_LEN4 = sizeof(OCILobLocator*);
    *bufpp = FETCH_BUFFER_1[iter];
    *alenpp = &RET_LEN4;
    *piecep = OCI_ONE_PIECE;
    *indpp = IND_BUFFER_1 + iter;
    *rcodepp = ERROR_BUFFER_1 + iter;
    //std::cout << "iter: " << iter << std::endl;
    return OCI_CONTINUE;
    int define_column(
    OCIEnv* environment_handle,
    OCISvcCtx* svc_handle,
    OCIStmt* stmt_handle,
    OCIError* error_handle,
    OCIDefine** define_handle,
    unsigned long pos,
    long oci_type,
    unsigned long fetch_size,
    OCILobLocator** buf,
    char* ind_buf,
    ub2* err_buf)
    static const char* FUN = "define_column()";
    sword result;
    if(oci_type == SQLT_BLOB)
    ::memset(buf, 0, fetch_size * 1024);
    for(int i = 0; i < 1024; ++i)
    if((result = OCIDescriptorAlloc(
    (dvoid*)environment_handle,
    (dvoid**)&buf[i],
    (ub4)OCI_DTYPE_LOB,
    (size_t)0,
    (dvoid**)0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIDescriptorAlloc", result, error_handle);
    ub2 size = 0;
    OCIDescriptorPtr<OCIParam, OCI_DTYPE_PARAM> param_handle;
    // ub2 oci_data_type = 0;
    if((result = OCIParamGet(
    stmt_handle,
    OCI_HTYPE_STMT,
    error_handle,
    reinterpret_cast<void**>(&param_handle.fill()),
    pos)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIParamGet", result, error_handle);
    if((result = OCIAttrGet(
    param_handle.get(),
    OCI_DTYPE_PARAM,
    &size,
    0,
    OCI_ATTR_DATA_SIZE,
    error_handle)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrGet", result, error_handle);
    if((result = OCIDefineByPos(
    stmt_handle,
    define_handle,
    error_handle,
    pos,
    # ifdef _DYN
    0,
    -1,
    #else
    buf,
    fetch_size,
    #endif
    oci_type,
    ind_buf,
    0,
    err_buf, // ptr to array of column-level return codes
    # ifdef _DYN
    OCI_DYNAMIC_FETCH
    # else
    OCI_DEFAULT
    # endif
    )) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIDefineByPos", result, error_handle);
    # ifdef _DYN
    if((result = OCIDefineDynamic(
    *define_handle,
    error_handle,
    0,
    oci_blob_callback)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIDefineByPos", result, error_handle);
    # endif
    return 0;
    int define_columns(
    OCIEnv* environment_handle,
    OCISvcCtx* svc_handle,
    OCIStmt* stmt_handle,
    OCIError* error_handle)
    static const char* FUN = "define_columns()";
    define_handle_1 = 0;
    int pos = 1;
    ::memset(ERROR_BUFFER_1, 0, 1024 * sizeof(ERROR_BUFFER_1[0]));
    define_column(
    environment_handle,
    svc_handle,
    stmt_handle,
    error_handle,
    &define_handle_1,
    pos++,
    SQLT_BLOB,
    sizeof(OCILobLocator*),
    FETCH_BUFFER_1,
    IND_BUFFER_1,
    ERROR_BUFFER_1);
    return 0;
    int execute_select(
    const char* db,
    const char* user,
    const char* password)
    static const char* FUN = "execute_select()";
    const unsigned long FETCH_COUNT = 1024;
    OCIHandlePtr<OCIError, OCI_HTYPE_ERROR> error_handle;
    OCIHandlePtr<OCIServer, OCI_HTYPE_SERVER> server_handle;
    OCIHandlePtr<OCISession, OCI_HTYPE_SESSION> session_handle;
    OCIHandlePtr<OCISvcCtx, OCI_HTYPE_SVCCTX> svc_context_handle;
    connect(
    environment_handle.get(),
    db,
    user,
    password,
    error_handle,
    server_handle,
    session_handle,
    svc_context_handle);
    OCIHandlePtr<OCIStmt, OCI_HTYPE_STMT> stmt_handle;
    sword result;
    if((result = OCIHandleAlloc(
    environment_handle.get(),
    (void**)&stmt_handle.fill(),
    OCI_HTYPE_STMT,
    0,
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    const char QUERY[] = "SELECT text FROM ADSERVERTEST_BLOB";
    ub4 rows = 0;
    if((result = OCIAttrSet(
    stmt_handle.get(),
    OCI_HTYPE_STMT,
    (dvoid *)&rows,
    (ub4)sizeof(ub4),
    OCI_ATTR_PREFETCH_ROWS,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(
    FUN, "OCIAttrSet(OCI_ATTR_PREFETCH_ROWS)", result, error_handle.get());
    if((result = OCIStmtPrepare(
    stmt_handle.get(),
    error_handle.get(),
    (text*)QUERY,
    strlen(QUERY),
    OCI_NTV_SYNTAX,
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIStmtPrepare", result, error_handle.get());
    ub2 stmt_type;
    if((result = OCIAttrGet(
    stmt_handle.get(),
    OCI_HTYPE_STMT,
    &stmt_type,
    0,
    OCI_ATTR_STMT_TYPE,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrGet", result, error_handle.get());
    ub4 prev_fetched = 0;
    while((result = OCIStmtExecute(
    svc_context_handle.get(),
    stmt_handle.get(),
    error_handle.get(),
    0,
    0,
    0,
    0,
    OCI_DEFAULT)) != OCI_SUCCESS)
    if(result != OCI_STILL_EXECUTING)
    throw_oci_error(FUN, "OCIStmtExecute", result, error_handle.get());
    define_columns(
    environment_handle.get(),
    svc_context_handle.get(),
    stmt_handle.get(),
    error_handle.get());
    ub4 all_fetched_count = 0;
    while(true)
    while((result = OCIStmtFetch2(
    stmt_handle.get(),
    error_handle.get(),
    FETCH_COUNT,
    OCI_FETCH_NEXT,
    1,
    OCI_DEFAULT)) == OCI_STILL_EXECUTING
    # ifdef _DYN
    // || result == OCI_NEED_DATA
    # endif
    if (result != OCI_SUCCESS &&
    result != OCI_NO_DATA &&
    result != OCI_SUCCESS_WITH_INFO)
    std::cerr << FUN << ": can't make OCIStmtFetch2: status = " << result;
    std::cerr << ", message = '";
    text err_buf[1024] = "";
    sb4 err_code = 0;
    OCIErrorGet(
    error_handle.get(),
    (ub4)1,
    0,
    &err_code,
    err_buf,
    sizeof(err_buf),
    (ub4)OCI_HTYPE_ERROR);
    std::cerr << err_buf << "', error code = " << err_code << ", row errors: ";
    for(const ub2* cur = ERROR_BUFFER_1;
    cur < ERROR_BUFFER_1 + 1024; ++cur)
    if(*cur)
    std::cerr << "#" << (cur - ERROR_BUFFER_1) << ": " <<
    *cur << std::endl;
    ub4 fetched_count = 0;
    if((result = OCIAttrGet (
    stmt_handle.get(),
    OCI_HTYPE_STMT,
    &fetched_count,
    0,
    OCI_ATTR_ROW_COUNT,
    error_handle.get())) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIAttrGet", result, error_handle.get());
    all_fetched_count += fetched_count;
    if(fetched_count > 0)
    for(unsigned long i = 0; i < fetched_count - 1; ++i)
    ub4 lob_size;
    while((result = OCILobGetLength(
    svc_context_handle.get(),
    error_handle.get(),
    FETCH_BUFFER_1[i],
    &lob_size)) == OCI_STILL_EXECUTING)
    if(result != OCI_SUCCESS)
    throw_oci_error(FUN, "OCILobGetLength", result, error_handle.get());
    std::cout << "#" << i << ": ind = " << (unsigned long)IND_BUFFER_1[i] <<
    ", len = " << lob_size << std::endl;
    if(fetched_count - prev_fetched < FETCH_COUNT)
    break;
    prev_fetched = fetched_count;
    clear_blob_buf(
    FETCH_BUFFER_1,
    sizeof(OCILobLocator*));
    while((result = OCIStmtFetch(
    stmt_handle.get(),
    error_handle.get(),
    0,
    OCI_FETCH_NEXT,
    OCI_DEFAULT)) == OCI_STILL_EXECUTING
    disconnect(
    environment_handle.get(),
    error_handle.get(),
    server_handle.get(),
    session_handle.get(),
    svc_context_handle.get());
    return 0;
    int execute_update(
    const char* db,
    const char* user,
    const char* password)
    static const char* FUN = "execute_update()";
    OCIHandlePtr<OCIError, OCI_HTYPE_ERROR> error_handle;
    OCIHandlePtr<OCIServer, OCI_HTYPE_SERVER> server_handle;
    OCIHandlePtr<OCISession, OCI_HTYPE_SESSION> session_handle;
    OCIHandlePtr<OCISvcCtx, OCI_HTYPE_SVCCTX> svc_context_handle;
    connect(
    environment_handle.get(),
    db,
    user,
    password,
    error_handle,
    server_handle,
    session_handle,
    svc_context_handle);
    OCIHandlePtr<OCIStmt, OCI_HTYPE_STMT> stmt_handle;
    for(int i = 0; i < 1000; ++i)
    sword result;
    if((result = OCIHandleAlloc(
    environment_handle.get(),
    (void**)&stmt_handle.fill(),
    OCI_HTYPE_STMT,
    0,
    0)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIHandleAlloc", result, error_handle.get());
    std::ostringstream sql;
    std::string str;
    std::string et("\xEB\xB2\x88");
    unsigned long rep = ::rand() % 500 + 1;
    str.reserve(rep*et.size());
    for(unsigned long ei = 0; ei < rep; ++ei)
    str.append(et);
    sql << "BEGIN " <<
    "UPDATE ADSERVERTEST_BLOB SET text = "
    "utl_raw.cast_to_raw('" << str << "') "
    "WHERE id = " << i <<
    "END;";
    if((result = OCIStmtPrepare(
    stmt_handle.get(),
    error_handle.get(),
    (text*)sql.str().c_str(),
    sql.str().length(),
    OCI_NTV_SYNTAX,
    OCI_DEFAULT)) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIStmtPrepare", result, error_handle.get());
    while((result = OCIStmtExecute(
    svc_context_handle.get(),
    stmt_handle.get(),
    error_handle.get(),
    1,
    0,
    0,
    0,
    OCI_DEFAULT)) != OCI_SUCCESS)
    if(result != OCI_STILL_EXECUTING)
    throw_oci_error(FUN, "OCIStmtExecute", result, error_handle.get());
    disconnect(
    environment_handle.get(),
    error_handle.get(),
    server_handle.get(),
    session_handle.get(),
    svc_context_handle.get());
    return 0;
    void* select_thread(void* ctx)
    while(true)
    execute_select(
    "//oraclept.ocslab.com/addbpt.ocslab.com",
    "bs_unittest_4",
    "adserver");
    // std::cout << "select finished" << std::endl;
    return ctx;
    void* update_thread(void* ctx)
    while(true)
    execute_update(
    "//oraclept.ocslab.com/addbpt.ocslab.com",
    "bs_unittest_4",
    "adserver");
    // std::cout << "update finished" << std::endl;
    return ctx;
    int main()
    static const char* FUN = "main()";
    sword result;
    // allocate an environment handle
    if((result = OCIEnvCreate(
    &environment_handle.fill(),
    OCI_OBJECT | OCI_THREADED,
    0, // context
    0, // malloc
    0, // realloc
    0, // free
    0, // extra memory to allocate
    0) // pointer to user-memory
    ) != OCI_SUCCESS)
    throw_oci_error(FUN, "OCIEnvCreate", result, 0);
    pthread_t th1, th2;
    pthread_create(&th1, 0, select_thread, 0);
    pthread_create(&th2, 0, update_thread, 0);
    pthread_join(th1, 0);
    pthread_join(th2, 0);
    return 0;
    Edited by: user13011391 on 20.04.2010 5:50
    Edited by: user13011391 on 20.04.2010 6:00
    Edited by: user13011391 on 20.04.2010 6:15

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