Classloaders in a tiered environment

Hi Everyone,
We are currently deploying our application across 2 tiers. The first tier
contains web-apps running on Weblogic Express 6.0 sp2. The second tier
contains ejb's running on Weblogic Server 6.0 sp2.
The EJB's and Web-apps share a common jar called 'exceptions.jar'. This is
basically a jar containing the exceptions that our EJB's throw.
When using the web-apps we get ClassNotFoundExceptions' being thrown when
weblogic tries to unmarshal an exception that the EJB's may throw. I have
exceptions.jar packaged in the WEB-INF/lib dir of the web app (along with
the EJB proxies), and yet the web-apps classloader is unable to find any of
the exception classes.
Has anyone seen this? I know I can fix it by putting the jar into the
system classpath of weblogic express - but I really don't want to do this.
Brett Ramdeen
Certapay Inc.

Hi Everyone,
We are currently deploying our application across 2 tiers. The first tier
contains web-apps running on Weblogic Express 6.0 sp2. The second tier
contains ejb's running on Weblogic Server 6.0 sp2.
The EJB's and Web-apps share a common jar called 'exceptions.jar'. This is
basically a jar containing the exceptions that our EJB's throw.
When using the web-apps we get ClassNotFoundExceptions' being thrown when
weblogic tries to unmarshal an exception that the EJB's may throw. I have
exceptions.jar packaged in the WEB-INF/lib dir of the web app (along with
the EJB proxies), and yet the web-apps classloader is unable to find any of
the exception classes.
Has anyone seen this? I know I can fix it by putting the jar into the
system classpath of weblogic express - but I really don't want to do this.
Brett Ramdeen
Certapay Inc.

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    BAM     6553600     3866624 10485760          0 YES AVAILABLE ONLINE     READ WRITE     1280     8192 /raid/product/oradata/IASDB/bam.dbf
    DCM     237174784     20709376 257949696          0 YES AVAILABLE ONLINE     READ WRITE     31488     8192 /raid/product/oradata/IASDB/dcm.dbf
    DISCO_PTM5 1310720     1769472 3145728          0 YES AVAILABLE ONLINE     READ WRITE     384     8192 /raid/product/oradata/IASDB/discopltc1.dbf
    _CACHE
    DISCO_PTM5 1310720     1769472 3145728          0 YES AVAILABLE ONLINE     READ WRITE     384     8192 /raid/product/oradata/IASDB/discopltm1.dbf
    _META
    DSGATEWAY_ 5701632     1572864 7340032          0 YES AVAILABLE ONLINE     READ WRITE     896     8192 /raid/product/oradata/IASDB/oss_sys01.dbf
    TAB
    IAS_META 210567168     30539776 241172480          0 YES AVAILABLE ONLINE     READ WRITE     29440     8192 /raid/product/oradata/IASDB/ias_meta01.dbf
    OCATS     1769472     5505024 7340032          0 YES AVAILABLE ONLINE     READ WRITE     896     8192 /raid/product/oradata/IASDB/oca.dbf
    OLTS_ATTRS 2555904     917504 3538944          0 YES AVAILABLE ONLINE     READ WRITE     432     8192 /raid/product/oradata/IASDB/attrs1_oid.dbf
    TORE
    OLTS_BATTR 262144     131072 516096          0 YES AVAILABLE ONLINE     READ WRITE     63     8192 /raid/product/oradata/IASDB/battrs1_oid.dbf
    STORE
    OLTS_DEFAU 3997696     851968 4915200          0 YES AVAILABLE ONLINE     READ WRITE     600     8192 /raid/product/oradata/IASDB/gdefault1_oid.dbf
    LT
    ORABPEL 11993088     29884416 41943040          0 YES AVAILABLE ONLINE     READ WRITE     5120     8192 /raid/product/oradata/IASDB/orabpel.dbf
    PORTAL     74383360     6946816 78643200          0 YES AVAILABLE ONLINE     READ WRITE     9600     8192 /raid/product/oradata/IASDB/portal.dbf
    PORTAL_DOC 851968     3276800 4194304          0 YES AVAILABLE ONLINE     READ WRITE     512     8192 /raid/product/oradata/IASDB/ptldoc.dbf
    PORTAL_IDX 11206656     41156608 52428800          0 YES AVAILABLE ONLINE     READ WRITE     6400     8192 /raid/product/oradata/IASDB/ptlidx.dbf
    PORTAL_LOG 262144     3866624 4194304          0 YES AVAILABLE ONLINE     READ WRITE     512     8192 /raid/product/oradata/IASDB/ptllog.dbf
    SYSAUX     235732992     5373952 241172480          0 YES AVAILABLE ONLINE     READ WRITE     29440     8192 /raid/product/oradata/IASDB/sysaux01.dbf
    SYSTEM     834404352     4390912 838860800          0 YES AVAILABLE SYSTEM     READ WRITE 102400     8192 /raid/product/oradata/IASDB/system01.dbf
    TEMP     6291456     18874368 25165824     25165824 YES AVAILABLE ONLINE     READ WRITE     3072     8192 /raid/product/oradata/IASDB/temp01.dbf
    UDDISYS_TS 19988480     28180480 48234496          0 YES AVAILABLE ONLINE     READ WRITE     5888     8192 /raid/product/oradata/IASDB/uddisys01.dbf
    UNDOTBS1 247201792     4390912 251658240          0 YES AVAILABLE ONLINE     READ WRITE     30720     8192 /raid/product/oradata/IASDB/undotbs01.dbf
    USERS     327680     4849664 5242880          0 YES AVAILABLE ONLINE     READ WRITE     640     8192 /raid/product/oradata/IASDB/users01.dbf
    WCRSYS_TS 1703936     15007744 16777216          0 YES AVAILABLE ONLINE     READ WRITE     2048     8192 /raid/product/oradata/IASDB/wcrsys01.dbf
    Sort Segment Data
    TABLESPACE EXTENT_SIZE TOTAL_EXTENTS USED_EXTENTS FREE_EXTENTS MAX_USED_SIZE
    TEMP          128          5          0     5          1
    SGA Allocation Stats
    POOL     NAME                    BYTES
    java pool free memory               67108864
    Total                              67108864
    SGA Allocation Stats
    POOL     NAME                    BYTES
    large pool free memory               8388608
    Total                              8388608
    SGA Allocation Stats
    POOL     NAME                    BYTES
    shared pool fixed allocation callback               344
    shared pool pl/sql source               1156
    shared pool table definiti               1712
    shared pool alert threshol               2648
    shared pool trigger inform               3048
    shared pool joxs heap                    4220
    shared pool policy hash ta               4220
    shared pool trigger defini               5980
    shared pool KQR S SO                    7176
    shared pool PLS non-lib hp               12208
    shared pool trigger source               18652
    shared pool KQR L SO                    44032
    shared pool repository                76264
    shared pool KQR M SO                    81408
    shared pool parameters                105696
    shared pool type object de               194164
    shared pool KQR S PO                    207136
    shared pool VIRTUAL CIRCUITS               649340
    shared pool FileOpenBlock               746704
    shared pool kmgsb circular statistics          821248
    shared pool KSXR pending messages que          841036
    shared pool KSXR receive buffers          1032500
    shared pool KQR M PO                    1675892
    shared pool sessions                    1835204
    shared pool PL/SQL DIANA               2910560
    shared pool private strands               2928640
    shared pool KTI-UNDO                    3019632
    shared pool KGLS heap                    3105320
    shared pool PL/SQL MPCODE               3705484
    shared pool row cache                    3707272
    shared pool ASH buffers               4194304
    shared pool event statistics per sess          9094400
    shared pool sql area                    9234624
    shared pool library cache               10361688
    shared pool miscellaneous               15820288
    shared pool free memory               74540744
    Total                              150994944
    SGA Allocation Stats
    POOL     NAME                    BYTES
         log_buffer                524288
         fixed_sga                    778968
         buffer_cache               50331648
    Total                              51634904
    Database Parameters
    NAME                    VALUE
    O7_DICTIONARY_ACCESSIBILITY     FALSE
    active_instance_count
    aq_tm_processes           1
    archive_lag_target          0
    asm_diskgroups
    asm_diskstring
    asm_power_limit           1
    audit_file_dest           /raid/product/OraHome_1/rdbms/audit
    audit_sys_operations          FALSE
    audit_trail               NONE
    background_core_dump          partial
    background_dump_dest          /raid/product/admin/IASDB/bdump
    backup_tape_io_slaves          FALSE
    bitmap_merge_area_size          1048576
    blank_trimming               FALSE
    buffer_pool_keep
    buffer_pool_recycle
    circuits
    cluster_database          FALSE
    cluster_database_instances     1
    cluster_interconnects
    commit_point_strength          1
    compatible               10.1.0.2.0
    control_file_record_keep_time     7
    control_files               /raid/product/oradata/IASDB/control01.ctl, /raid/product/oradata/IASDB/control02
                        .ctl, /raid/product/oradata/IASDB/control03.ctl
    core_dump_dest               /raid/product/admin/IASDB/cdump
    cpu_count               2
    create_bitmap_area_size      8388608
    create_stored_outlines
    cursor_sharing               EXACT
    cursor_space_for_time          FALSE
    db_16k_cache_size          0
    db_2k_cache_size          0
    db_32k_cache_size          0
    db_4k_cache_size          0
    db_8k_cache_size          0
    db_block_buffers          0
    db_block_checking          FALSE
    db_block_checksum          TRUE
    db_block_size               8192
    db_cache_advice           ON
    db_cache_size               50331648
    db_create_file_dest
    db_create_online_log_dest_1
    db_create_online_log_dest_2
    db_create_online_log_dest_3
    db_create_online_log_dest_4
    db_create_online_log_dest_5
    db_domain               bizmatch.com.cn
    db_file_multiblock_read_count     16
    db_file_name_convert
    db_files               200
    db_flashback_retention_target     1440
    db_keep_cache_size          0
    db_name                IASDB
    db_recovery_file_dest          /raid/product/flash_recovery_area
    db_recovery_file_dest_size     2147483648
    db_recycle_cache_size          0
    db_unique_name               IASDB
    db_writer_processes          1
    dbwr_io_slaves               0
    ddl_wait_for_locks          FALSE
    dg_broker_config_file1          /raid/product/OraHome_1/dbs/dr1IASDB.dat
    dg_broker_config_file2          /raid/product/OraHome_1/dbs/dr2IASDB.dat
    dg_broker_start           FALSE
    disk_asynch_io               TRUE
    dispatchers               (PROTOCOL=TCP)(PRE=oracle.aurora.server.GiopServer), (PROTOCOL=TCP)(PRE=oracle.a
                        urora.server.SGiopServer)
    distributed_lock_timeout     60
    dml_locks               1760
    drs_start               FALSE
    enqueue_resources          1980
    event
    fal_client
    fal_server
    fast_start_io_target          0
    fast_start_mttr_target          0
    fast_start_parallel_rollback     LOW
    file_mapping               FALSE
    fileio_network_adapters
    filesystemio_options          none
    fixed_date
    gc_files_to_locks
    gcs_server_processes          0
    global_context_pool_size
    global_names               FALSE
    hash_area_size               131072
    hi_shared_memory_address     0
    hs_autoregister           TRUE
    ifile
    instance_groups
    instance_name               IASDB
    instance_number           0
    instance_type               RDBMS
    java_max_sessionspace_size     0
    java_pool_size               67108864
    java_soft_sessionspace_limit     0
    job_queue_processes          5
    large_pool_size           8388608
    ldap_directory_access          NONE
    license_max_sessions          0
    license_max_users          0
    license_sessions_warning     0
    local_listener
    lock_name_space
    lock_sga               FALSE
    log_archive_config
    log_archive_dest
    log_archive_dest_1
    log_archive_dest_10
    log_archive_dest_2
    log_archive_dest_3
    log_archive_dest_4
    log_archive_dest_5
    log_archive_dest_6
    log_archive_dest_7
    log_archive_dest_8
    log_archive_dest_9
    log_archive_dest_state_1     enable
    log_archive_dest_state_10     enable
    log_archive_dest_state_2     enable
    log_archive_dest_state_3     enable
    log_archive_dest_state_4     enable
    log_archive_dest_state_5     enable
    log_archive_dest_state_6     enable
    log_archive_dest_state_7     enable
    log_archive_dest_state_8     enable
    log_archive_dest_state_9     enable
    log_archive_duplex_dest
    log_archive_format          %t_%s_%r.dbf
    log_archive_local_first      TRUE
    log_archive_max_processes     2
    log_archive_min_succeed_dest     1
    log_archive_start          FALSE
    log_archive_trace          0
    log_buffer               524288
    log_checkpoint_interval      0
    log_checkpoint_timeout          1800
    log_checkpoints_to_alert     FALSE
    log_file_name_convert
    logmnr_max_persistent_sessions     1
    max_commit_propagation_delay     0
    max_dispatchers
    max_dump_file_size          UNLIMITED
    max_enabled_roles          150
    max_shared_servers
    nls_calendar
    nls_comp
    nls_currency
    nls_date_format
    nls_date_language
    nls_dual_currency
    nls_iso_currency
    nls_language               AMERICAN
    nls_length_semantics          BYTE
    nls_nchar_conv_excp          FALSE
    nls_numeric_characters
    nls_sort
    nls_territory               AMERICA
    nls_time_format
    nls_time_tz_format
    nls_timestamp_format
    nls_timestamp_tz_format
    object_cache_max_size_percent     10
    object_cache_optimal_size     102400
    olap_page_pool_size          0
    open_cursors               300
    open_links               4
    open_links_per_instance      4
    optimizer_dynamic_sampling     2
    optimizer_features_enable     10.1.0.5
    optimizer_index_caching      0
    optimizer_index_cost_adj     100
    optimizer_mode               ALL_ROWS
    os_authent_prefix          ops$
    os_roles               FALSE
    parallel_adaptive_multi_user     TRUE
    parallel_automatic_tuning     FALSE
    parallel_execution_message_size 2148
    parallel_instance_group
    parallel_max_servers          40
    parallel_min_percent          0
    parallel_min_servers          0
    parallel_server           FALSE
    parallel_server_instances     1
    parallel_threads_per_cpu     2
    pga_aggregate_target          33554432
    plsql_code_type           INTERPRETED
    plsql_compiler_flags          INTERPRETED, NON_DEBUG
    plsql_debug               FALSE
    plsql_native_library_dir
    plsql_native_library_subdir_count 0
    plsql_optimize_level          2
    plsql_v2_compatibility          FALSE
    plsql_warnings               DISABLE:ALL
    pre_page_sga               FALSE
    processes               150
    query_rewrite_enabled          TRUE
    query_rewrite_integrity      enforced
    rdbms_server_dn
    read_only_open_delayed          FALSE
    recovery_parallelism          0
    remote_archive_enable          true
    remote_dependencies_mode     TIMESTAMP
    remote_listener
    remote_login_passwordfile     EXCLUSIVE
    remote_os_authent          FALSE
    remote_os_roles           FALSE
    replication_dependency_tracking TRUE
    resource_limit               FALSE
    resource_manager_plan
    resumable_timeout          0
    rollback_segments
    serial_reuse               disable
    service_names               IASDB.bizmatch.com.cn
    session_cached_cursors          0
    session_max_open_files          10
    sessions               400
    sga_max_size               281018368
    sga_target               0
    shadow_core_dump          partial
    shared_memory_address          0
    shared_pool_reserved_size     7549747
    shared_pool_size          150994944
    shared_server_sessions
    shared_servers               1
    skip_unusable_indexes          TRUE
    smtp_out_server
    sort_area_retained_size      0
    sort_area_size               65536
    sp_name                IASDB
    spfile                    /raid/product/OraHome_1/dbs/spfileIASDB.ora
    sql92_security               FALSE
    sql_trace               FALSE
    sql_version               NATIVE
    sqltune_category          DEFAULT
    standby_archive_dest          ?/dbs/arch
    standby_file_management      MANUAL
    star_transformation_enabled     FALSE
    statistics_level          TYPICAL
    streams_pool_size          0
    tape_asynch_io               TRUE
    thread                    0
    timed_os_statistics          0
    timed_statistics          TRUE
    trace_enabled               TRUE
    tracefile_identifier
    transactions               440
    transactions_per_rollback_segment 5
    undo_management           AUTO
    undo_retention               900
    undo_tablespace           UNDOTBS1
    use_indirect_data_buffers     FALSE
    user_dump_dest               /raid/product/admin/IASDB/udump
    utl_file_dir
    workarea_size_policy          AUTO
    All Portal DBMS jobs
    JOB LOG_USER          PRIV_USER     SCHEMA_USER
         17 PORTAL          PORTAL          PORTAL
         18 PORTAL          PORTAL          PORTAL
         27 PORTAL          PORTAL          PORTAL
         28 PORTAL          PORTAL          PORTAL
         43 PORTAL          PORTAL          PORTAL
    Details of all Portal DBMS jobs
    JOB WHAT
         17 begin execute immediate     'begin wwctx_sso.cleanup_sessions(
         p_hours_old => 168     ); end;'     ; exception     when others then
         null; end;
         18 wwsec_api_private.rename_users;
         27 wwv_context.sync;
         28 wwv_context.optimize(CTX_DDL.OPTLEVEL_FULL,1440,null);
         43 begin execute immediate     'begin wwutl_cache_sys.process_background_inv
         al;     end;'     ; exception     when others then     wwlog_api.log(p_
         domain=>'utl',     p_subdomain=>'cache',          p_name=>'background
         ',          p_action=>'process_background_inval',      p_information =
         > 'Error in process_background_inval '||          sqlerrm);end;
    Database version details
    BANNER
    Oracle Database 10g Enterprise Edition Release 10.1.0.4.2 - Prod
    PL/SQL Release 10.1.0.4.2 - Production
    CORE     10.1.0.4.0     Production
    TNS for Linux: Version 10.1.0.4.0 - Production
    NLSRTL Version 10.1.0.4.2 - Production
    # Ending outer script: prechk/upshoset, 1.83 seconds
    ### Log invalid DB objects in the temporary directory.
    List count of invalid objects in the database in /raid/product/OraHome_1/upgrade/temp/portal/prechktmp/dbinvob1.log
    Running upg/frwk/dbinvobj.sqlPortal SQL script started at Wed Oct 18 21:22:26 2006
    Connected.
    ### Install Schema Validation Utility
    Running upg/common/prechk/svuver.sql . Portal SQL script started at Wed Oct 18 21:22:26 2006
    Connected.
    # Beginning outer script: prechk/svuver
    #-- Beginning inner script: prechk/svuver
    # Portal Schema Version = 10.1.2.0.2
    # Version of schema validation utility being installed = 101202
    # Load the Schema Validation Utility
    Installed version of schema validation utility: 10.1.2.0.6
    Schema Validation Utility version: 10.1.2.0.6 will be installed.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    No errors.
    Warning: Package Body created with compilation errors.
    Errors for PACKAGE BODY WWUTL_SCHEMA_COMMON:
    44/9     PL/SQL: Statement ignored
    44/16     PLS-00905: object PORTAL.WWSBR_SITE_DB is invalid
    70/9     PL/SQL: Statement ignored
    70/17     PLS-00905: object PORTAL.WWPOB_API_PAGE is invalid
    96/10     PL/SQL: Statement ignored
    96/18     PLS-00905: object PORTAL.WWV_THINGDB is invalid
    122/10     PL/SQL: Statement ignored
    122/18     PLS-00905: object PORTAL.WWV_THINGDB is invalid
    No errors.
    Warning: Package Body created with compilation errors.
    Errors for PACKAGE BODY WWUTL_ATTR_VALIDATION:
    740/9     PL/SQL: SQL Statement ignored
    778/26     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    Warning: Package Body created with compilation errors.
    Errors for PACKAGE BODY WWUTL_PAGE_GROUP_VALIDATION:
    366/9     PL/SQL: SQL Statement ignored
    372/31     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    1447/13 PL/SQL: SQL Statement ignored
    1458/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    1624/13 PL/SQL: SQL Statement ignored
    1635/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    1783/13 PL/SQL: SQL Statement ignored
    1794/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    1896/13 PL/SQL: SQL Statement ignored
    1907/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    2009/13 PL/SQL: SQL Statement ignored
    2020/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    2126/13 PL/SQL: SQL Statement ignored
    2137/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    No errors.
    No errors.
    Warning: Package Body created with compilation errors.
    Errors for PACKAGE BODY WWUTL_PAGE_VALIDATION:
    137/9     PL/SQL: SQL Statement ignored
    144/53     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    258/21     PL/SQL: SQL Statement ignored
    260/43     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    277/17     PL/SQL: SQL Statement ignored
    279/39     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    322/9     PL/SQL: SQL Statement ignored
    327/25     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    353/25     PL/SQL: Statement ignored
    353/40     PLS-00905: object PORTAL.WWPOB_API_PAGE is invalid
    362/29     PL/SQL: SQL Statement ignored
    369/42     PL/SQL: ORA-06575: Package or function WWPOB_API_PAGE is in an
         invalid state
    376/33     PL/SQL: Statement ignored
    376/48     PLS-00905: object PORTAL.WWPOB_API_PAGE is invalid
    385/21     PL/SQL: SQL Statement ignored
    388/39     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    1214/21 PL/SQL: SQL Statement ignored
    1216/42 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    1262/9     PL/SQL: SQL Statement ignored
    1266/30 PL/SQL: ORA-06575: Package or function WWPOB_API_PAGE is in an
         invalid state
    Warning: Package Body created with compilation errors.
    Errors for PACKAGE BODY WWUTL_REGION_VALIDATION:
    237/9     PL/SQL: SQL Statement ignored
    249/41     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    Warning: Package Body created with compilation errors.
    Errors for PACKAGE BODY WWUTL_STYLE_VALIDATION:
    414/9     PL/SQL: SQL Statement ignored
    424/44     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    584/21     PL/SQL: Statement ignored
    584/52     PLS-00905: object PORTAL.WWSBR_SITE_DB is invalid
    Warning: Package Body created with compilation errors.
    Errors for PACKAGE BODY WWUTL_THING_VALIDATION:
    2129/32 PL/SQL: Item ignored
    2130/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    2131/32 PL/SQL: Item ignored
    2132/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    2133/32 PL/SQL: Item ignored
    2134/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    2135/31 PL/SQL: Item ignored
    2136/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    2137/31 PL/SQL: Item ignored
    2138/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    2139/31 PL/SQL: Item ignored
    2140/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    2151/32 PL/SQL: Item ignored
    2151/42 PLS-00320: the declaration of the type of this expression is
         incomplete or malformed
    2152/32 PL/SQL: Item ignored
    2152/42 PLS-00320: the declaration of the type of this expression is
         incomplete or malformed
    2153/32 PL/SQL: Item ignored
    2153/42 PLS-00320: the declaration of the type of this expression is
         incomplete or malformed
    2202/17 PL/SQL: SQL Statement ignored
    2212/27 PL/SQL: ORA-06575: Package or function WWSBR_THING_TYPES is in an
         invalid state
    Warning: Package Body created with compilation errors.
    Errors for PACKAGE BODY WWUTL_ITEM_VALIDATION:
    322/9     PL/SQL: SQL Statement ignored
    338/30     PL/SQL: ORA-06575: Package or function WWPOB_API_PAGE is in an
         invalid state
    Warning: Package Body created with compilation errors.
    Errors for PACKAGE BODY WWUTL_PORTLET_VALIDATION:
    155/13     PL/SQL: SQL Statement ignored
    163/36     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    170/13     PL/SQL: SQL Statement ignored
    178/36     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
         invalid state
    459/9     PL/SQL: SQL Statement ignored
    467/31     PL/SQL: ORA-06575: Package or function WWSBR_SITEBUILDER_PROVIDER
         is in an invalid state
    581/9     PL/SQL: SQL Statement ignored
    584/21     PL/SQL: ORA-06575: Package or function WWSBR_SITEBUILDER_PROVIDER
         is in an invalid state
    588/9     PL/SQL: SQL Statement ignored
    591/29     PL/SQL: ORA-06575: Package or function WWSBR_SITEBUILDER_PROVIDER
         is in an invalid state
    Warning: Package Body created with compilation errors.
    Errors for PACKAGE BODY WWUTL_DBPROV_VALIDATION:
    341/25     PL/SQL: Item ignored
    341/45     PLS-00302: component 'URL' must be declared
    559/17     PL/SQL: Statement ignored
    559/17     PLS-00320: the declaration of the type of this expression is
         incomplete or malformed
    562/17     PL/SQL: Statement ignored
    564/40     PLS-00320: the declaration of the type of this expression is
         incomplete or malformed
    No errors.
    No errors.
    ### Invoke Schema Validation Utility in Report Mode
    Running upg/common/prechk/../../frwk/svurun.sql . Portal SQL script started at Wed Oct 18 21:22:31 2006
    Connected.
    # Beginning outer script: prechk/svurun
    #-- Beginning inner script: frwk/svurun
    declare
    ERROR at line 1:
    ORA-20000:
    ORA-06512: at "PORTAL.WWPOF", line 440
    ORA-06512: at line 45
    ORA-20000:
    ORA-06512: at "PORTAL.WWPOF", line 440
    ORA-06512: at "PORTAL.WWUTL_SCHEMA_VALIDATION", line 263
    ORA-04063: package body "PORTAL.WWUTL_PAGE_GROUP_VALIDATION" has errors
    ORA-06508: PL/SQL: could not find program unit being called
    Connected.
    # Run the report mode of the schema validation utility
    #---- Beginning inner script: wwutl_schema_validation.validate_all
    # Running the validation in report mode
    # Schema Validation Utility Version = 10.1.2.0.6
    # Validate Page Groups
    # Handling exception
    # ERROR: When executing schema validation utility
    # ERROR: ORA-06508: PL/SQL: could not find program unit being called
    # ----- PL/SQL Call Stack -----
    object line object
    handle number name
    0x5c4fef28     434 package body PORTAL.WWPOF
    0x5bb96e20     263 package body PORTAL.WWUTL_SCHEMA_VALIDATION
    0x5bb96e20     297 package body PORTAL.WWUTL_SCHEMA_VALIDATION
    0x5b885fe4     18 anonymous block
    # Handling exception
    # ERROR: When running the schema validation utility
    # ERROR: ORA-20000:
    ORA-06512: at "PORTAL.WWPOF", line 440
    ORA-06512: at "PORTAL.WWUTL_SCHEMA_VALIDATION", line 263
    ORA-04063: package body "PORTAL.WWUTL_PAGE_GROUP_VALIDATION" has errors
    ORA-06508: PL/SQL: could not find program unit being called
    # ----- PL/SQL Call Stack -----
    object line object
    handle number name
    0x5c4fef28     434 package body PORTAL.WWPOF
    0x5b885fe4     45 anonymous block
    ### ERROR: Exception Executing upg/common/prechk/../../frwk/svurun.sql REPORT PRECHK for Subscriber: 1
    ### Check Failed at Wed Oct 18 21:22:31 2006 Continuing as PreCheck mode is specified
    ### PHASE 5: Version specific user inputs
    Upgrade phase started at Wed Oct 18 21:22:31 2006
    Processing Metadata File: upg/10140/inputchk/inputchk.met ###
    ### PHASE 6: Version specific pre upgrade checks
    Upgrade phase started at Wed Oct 18 21:22:31 2006
    Processing Metadata File: upg/10140/prechk/prechk.met ###
    ### PHASE 7: Pre upgrade common information gathering
    Upgrade phase started at Wed Oct 18 21:22:31 2006
    Processing Metadata File: upg/common/info/info.met ### Log portal configuration info in the temporary directory.
    Running upg/common/info/ptlinfo.sql . Portal SQL script started at Wed Oct 18 21:22:31 2006
    Connected.
    # Beginning outer script: info/ptlinfo
    # Ending outer script: info/ptlinfo, 0.13 seconds
    Metadata File upg/10140/info/info.met does not exist.
    ### PHASE 8: Verify user inputs
    Upgrade phase started at Wed Oct 18 21:22:32 2006
    Processing Metadata File: upg/common/verfyinp/verfyinp.met Running upg/common/verfyinp/verfyinp.pl The following details have been determined:
    General Details
    ===========================================================
    Log File Name : /raid/product/OraHome_1/upgrade/temp/portal/precheck.log
    RDBMS Version : 10.1.0
    Product Version : 10.1.2.0.2
    Oracle PL/SQL Toolkit Schema : SYS
    Oracle PL/SQL Toolkit version : 10.1.2.0.2
    O7 accessibility : FALSE
    Schema Details
    ===========================================================
    Name : portal
    Connect String : (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=portaldb.bizmatch.com.cn)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=IASDB.bizmatch.com.cn)))
    Tablespace Details
    ===========================================================
    Default Tablespace : PORTAL
    Temporary Tablespace : TEMP
    Document Tablespace : PORTAL_DOC
    Logging Tablespace : PORTAL_LOG
    Index Tablespace : PORTAL
    ### ERROR: WWU-00030: Pre-Check mode encountered the following errors:
    ### 184 : ### ERROR: WWU-00013: Tables with UPG_ prefix were found in the OracleAS Portal
    ### 706 : 44/16     PLS-00905: object PORTAL.WWSBR_SITE_DB is invalid
    ### 708 : 70/17     PLS-00905: object PORTAL.WWPOB_API_PAGE is invalid
    ### 710 : 96/18     PLS-00905: object PORTAL.WWV_THINGDB is invalid
    ### 712 : 122/18     PLS-00905: object PORTAL.WWV_THINGDB is invalid
    ### 719 : 778/26     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 727 : 372/31     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 731 : 1458/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 735 : 1635/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 739 : 1794/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 743 : 1907/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 747 : 2020/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 751 : 2137/28 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 761 : 144/53     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 765 : 260/43     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 769 : 279/39     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 773 : 327/25     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 777 : 353/40     PLS-00905: object PORTAL.WWPOB_API_PAGE is invalid
    ### 779 : 369/42     PL/SQL: ORA-06575: Package or function WWPOB_API_PAGE is in an
    ### 783 : 376/48     PLS-00905: object PORTAL.WWPOB_API_PAGE is invalid
    ### 785 : 388/39     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 789 : 1216/42 PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 793 : 1266/30 PL/SQL: ORA-06575: Package or function WWPOB_API_PAGE is in an
    ### 801 : 249/41     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 809 : 424/44     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 813 : 584/52     PLS-00905: object PORTAL.WWSBR_SITE_DB is invalid
    ### 819 : 2130/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    ### 821 : 2132/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    ### 823 : 2134/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    ### 825 : 2136/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    ### 827 : 2138/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    ### 829 : 2140/13 PLS-00905: object PORTAL.WWSBR_THING_TYPES is invalid
    ### 831 : 2151/42 PLS-00320: the declaration of the type of this expression is
    ### 835 : 2152/42 PLS-00320: the declaration of the type of this expression is
    ### 839 : 2153/42 PLS-00320: the declaration of the type of this expression is
    ### 843 : 2212/27 PL/SQL: ORA-06575: Package or function WWSBR_THING_TYPES is in an
    ### 851 : 338/30     PL/SQL: ORA-06575: Package or function WWPOB_API_PAGE is in an
    ### 859 : 163/36     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 863 : 178/36     PL/SQL: ORA-06575: Package or function WWSBR_SITE_DB is in an
    ### 867 : 467/31     PL/SQL: ORA-06575: Package or function WWSBR_SITEBUILDER_PROVIDER
    ### 871 : 584/21     PL/SQL: ORA-06575: Package or function WWSBR_SITEBUILDER_PROVIDER
    ### 875 : 591/29     PL/SQL: ORA-06575: Package or function WWSBR_SITEBUILDER_PROVIDER
    ### 883 : 341/45     PLS-00302: component 'URL' must be declared
    ### 885 : 559/17     PLS-00320: the declaration of the type of this expression is
    ### 889 : 564/40     PLS-00320: the declaration of the type of this expression is
    ### 904 : ERROR at line 1:
    ### 905 : ORA-20000:
    ### 906 : ORA-06512: at "PORTAL.WWPOF", line 440
    ### 907 : ORA-06512: at line 45
    ### 908 : ORA-20000:
    ### 909 : ORA-06512: at "PORTAL.WWPOF", line 440
    ### 910 : ORA-06512: at "PORTAL.WWUTL_SCHEMA_VALIDATION", line 263
    ### 911 : ORA-04063: package body "PORTAL.WWUTL_PAGE_GROUP_VALIDATION" has errors
    ### 912 : ORA-06508: PL/SQL: could not find program unit being called
    ### 922 : # ERROR: When executing schema validation utility
    ### 923 : # ERROR: ORA-06508: PL/SQL: could not find program unit being called
    ### 933 : # ERROR: When running the schema validation utility
    ### 934 : # ERROR: ORA-20000:
    ### 935 : ORA-06512: at "PORTAL.WWPOF", line 440
    ### 936 : ORA-06512: at "PORTAL.WWUTL_SCHEMA_VALIDATION", line 263
    ### 937 : ORA-04063: package body "PORTAL.WWUTL_PAGE_GROUP_VALIDATION" has errors
    ### 938 : ORA-06508: PL/SQL: could not find program unit being called
    ### 947 : ### ERROR: Exception Executing upg/common/prechk/../../frwk/svurun.sql REPORT PRECHK for Subscriber: 1
    ### Check Failed at Wed Oct 18 21:22:32 2006 Continuing as PreCheck mode is specified
    Pre-Check Completed at Wed Oct 18 21:22:32 2006

    Hi,
    Its good that u pasted the complete log file. In your environment you have to run this upgrade tool only once from any of the middle tier.
    And with respect to your error that u got in precheck is quite simple. All u have to do is just run this script from by connecting to portal schema using sqlplus.
    Run dropupg.sql
    Location-------- /raid/product/OraHome_1/upgrade/temp/portal/prechktmp/dropupg.sql
    Later you re-run the upgrade tool and let me know the status.
    Good luck
    Tanmai

  • How to Configure Multiple Portal Middle Tiers with a Load Balancing Router

    Hi,
    Portal version trying to install 10.1.2 on Windows 2003 boxes.
    I am following the guide http://download.oracle.com/docs/cd/B14099_19/portal.1012/b14037/cg_advnc.htm#i1046354. I have InfraStructure installed on a different box and am trying to install 2 Portal Midtiers each on separate boxes and using LBR. The above document is kind of confusing as I am trying to following
    5.3.1 Step 1: Install a Single Portal and Wireless Middle Tier (M1)
    5.3.2 Step 2: Configure OracleAS Portal on M1 to Be Accessed Through the LBR (AND FOLLOW ARE THE STEPS 1 to 14 in sequence)
    if I follow 1 to 14 steps in sequence the information is not consistent what is being listed in the following sections
    5.4.1 Create Virtual Hosts
    5.4.2 Configure OracleAS Web Cache
    5.4.3 Register OracleAS Portal with OracleAS Single Sign-On
    i.e.
    ptlconfig -dad portal -sso -host www.abc.com -port 7779
    ptlconfig -dad portal -sso -host www.xyz.com -port 7779
    as in the above steps it says to run
    ptlconfig -dad portal -wc -site
    and ssoreg command that always fails because I am running it from midtier as it gives error saying invalid username/password
    as oppoesed to steps listed in point 8, 9, 10, 11 and 12.
    Can someone please privide the steps in sequence I need to follow when installing 2 midtiers with frontend LBR and one infrastructure. I am trying to follow the architecture listed in the above link.
    Any help is really appreciated.
    Thanks

    Hi,
    Will appreciate any inputs on the following.
    I am planning to install Infrastructure and one Midtier BI Forms Reports Discoverer, Portal on one windows box and the second midtier BI Forms Discoverer, Portal on the second windows box.
    Please correct me if I am wrong on installing and configuring the mid-tiers as following are the steps I have compiled going through the document and want to make sure this time I do it right.
    As I'll be installing BI Forms Reports Discoverer, Portal so wondering when I install the second midtier do I need to unselect all Portal, Forms, Reports, Discoverer or just the Portal I need to unselect.
    Also in the host file of both the windows boxes do I just need to keep the LBR IP Address entry and remove the rest.
    LBR:_
    Computer Name: bigip5.prd.com
    IP Address: *167.123.2.5*
    Listen Port: *80*
    Invaidation Port: *9401*
    Infrastructure:_
    Computer Name: portal1.prd.com
    IP Address: *167.123.2.6*
    Oracle HTTP Server Listening Port: *7777*
    Application Server Control port: *1800*
    M1 (Portal & BI Forms Reports Discoverer):_
    Computer Name: portal1.prd.com
    IP Address: *167.123.2.6*
    Oracle HTTP Server Listening Port: *7778*
    OracleAS Web Cache Listening Port: *80*
    OracleAS Web Cache Invalidation Port: *9401*
    OracleAS Web Cache Administration Port: *9400*
    Web Cache Statistics port: *9402*
    Application Server Control port: *1810*
    M2 (Portal & BI Forms Reports Discoverer):_
    Computer Name: portal2.prd.com
    IP Address: *167.123.2.7*
    Oracle HTTP Server Listening Port: *7778*
    OracleAS Web Cache Listening Port: *80*
    OracleAS Web Cache Invalidation Port: *9401*
    OracleAS Web Cache Administration Port: *9400*
    Web Cache Statistics port: *9402*
    Application Server Control port: *1810*
    First to create MetadataRepository and then Install Infrastructure and then follow the below steps to install Midtiers
    Install and Configure of M1 (Portal and BI Forms Reports Discoverer):-_
    *5.3.1 Step 1*: Install a Single Portal and BI Forms Reports Discoverer (M1 i.e. portal1.prd.com)
    *5.3.2 Step 2*: Configure OracleAS Portal and BI Forms Reports Discoverer on M1 to Be Accessed Through the LBR
    *1.* Configure LBR
    *2.* Follow Section 5.4.1.1 to create the Virtual Host for bigip5.prd.com (LBR) and portal1.prd.com (M1)
    *3.* Define a site that matches the virtual host entry for bigip5.prd.com (LBR) on Webcache of M1
    *4.* Use OracleAS Web Cache Manager on M1, to map the site bigip5.prd.com (LBR) to middle tier portal1.prd.com (M1).
    Follow steps 5 and 6 as per the document
    *7.* Configure bigip5.prd.com (LBR) to accept invalidation requests from the OracleAS Metadata Repository on a separate port i.e. 9401
    *8.* Change iasconfig.xml on M1
    *9.* run ptlconfig -encrypt
    *10.* Register the URL changes with OracleAS Portal by running ptlconfig -dad portal -wc -site
    *11.* No need as it is http only
    *12.* Run the follwoing
    MID_TIER_ORACLE_HOME_M1\sso\bin\ssoreg.bat
    -site_name bigip5.prd.com
    -mod_osso_url http://bigip5.prd.com:80
    -config_mod_osso TRUE
    -oracle_home_path MID_TIER_ORACLE_HOME_M1
    -config_file MID_TIER_ORACLE_HOME_M1\Apache\Apache\conf\osso\osso.conf
    -admin_info cn=orcladmin
    -virtualhost
    *13.* Edit targets.xml to enable monitoring of the LBR's front-end host and port settings for OracleAS Portal
    +<Property NAME="PortalListeningHostPort" VALUE=http://bigip5.prd.com:80/>+ and then run
    MID_TIER_ORACLE_HOME_M1\bin\emctl reload
    *14.* Test the setup
    Install and Configure of M2 (Portal and BI Forms Reports Discoverer):-_
    *5.3.4 Step 4*: Install a Single Portal and BI Forms Reports Discoverer (M2 i.e. portal2.prd.com)
    *1.* As I am installing on wiondows so will not set IASCONFIG_LOC environment variable as I can just copy the iasconfig.xml file from M1 to M2
    *2.* Run OUI on M2
    *3.* Clear the selection for OracleAS Portal but don't know if I need to unselect Forms , Reports, Discoverer also.
    *4.* Enable OracleAS Portal
    *5.3.5 Step 5:* Configure the New Middle Tier (M2) to Run Your Existing Portal
    *1.* Create both virtual hosts as done on M1
    *2.* Copy dads.conf, oradav.conf, cache.conf, web.xml from M1 to M2
    *3.* Re-register mod_osso on M2. To do this, perform the following steps by copying osso.conf from M1 to M2
    *4.* Synchronize the DCM by using the following command
    MID_TIER_ORACLE_HOME_M2/Apache/Apache/bin/ssotransfer MID_TIER_ORACLE_HOME_M2/Apache/Apache/conf/osso/osso.conf
    *5.* Run dcmctl updateConfig
    *6.* add the necessary mod_rewrite and mod_oc4j directives to the httpd.conf and mod_oc4j.conf files respectively
    *7.* Restart Oracle HTTP Server on M2
    *8.* Access the OracleAS Web Cache Manager on M1 and follow steps 9,10,11,12,13,14,15,16 for Webcache seetings and clustering.
    Also will appreciate if can get some info on the following:
    *1.*
    When I configure the Webcache as per the Document but if I bring down one Midtier Instance the requests are not going to the other Instance that is up and ignores the case whether an instance is down. Any idea how what and where do I need to provide any setting which in case of instance is down routes the requests to the one that is up.
    *2.*
    What exactly happens when it says To enable monitoring of the LBR's front-end host and port settings for OracleAS Portal edit target.xml. Is this for LBR to find if an Instance is down or not and route the requests appropriately.
    Thanks again for all the help.

  • Printing issue in a 2-node clustered environment

    Hi,
    We have 2-node Apps Tiers (PCP enabled) with print queues running on each node. When users run a job to print a job using the same program; the print queue to the printer gets messed up.
    For example: user 1 prints 10 items to printer A and user 2 prints the same set of 10 items but with a different numbers. The final outputs on the printer goes out of sequence -- 20 items printed with a combination of items from user1 and 10 items from user2.
    The question is, in a PCP environment, is there a way to isolate the print job ..ie to allow the print job to complete on that printer and block it for other users/print jobs?
    Environment: 11.5.10.1, 10.2.0.3, RedHat 4.x, 2-node PCP enabled apps tiers.
    Thanks,
    Subroto

    Hi,
    The question is, in a PCP environment, is there a way to isolate the print job ..ie to allow the print job to complete on that printer and block it for other users/print jobs?I do not think can be controlled from the application (unless you use incompatibilities -- See the link below for details).
    http://forums.oracle.com/forums/search.jspa?threadID=&q=Concurrent+AND+Incompatibility&objID=c3&dateRange=all&userID=&numResults=15&rankBy=10001
    You may also check with your printer vendor and see if you can control this at the Printer/OS level.
    Thanks,
    Hussein

  • Install Windows Server 2012 R2 VM on Storage Spaces with Storage Tiers

    Hey guys
    In my small/medium sized company we will soon update to Windows Server 2012 R2. I would like to implement virtual servers using Hyper-V. I didn't find a lot of information about Hyper-V in combination with storages spaces and autoamted storage tiers.
    And this is very confusing to me as it seems to me that this would be the best practice as it is the most cost-efficient and most elegant solution.
    My ideal scenario:
    With Hyper-V I virtualize two Windows Server 2012 R2 instances. So two separate virtual machines.
    I use the following disk setup:
    1x cheap HDD  40GB for hyper-v server 2012 r2 core.
    2x SSD 200GB (enterprise-grade)
    2x HDD 4TB (7.2k, enterprise-grade)
    Step 1:
    I will install Hyper-V Server 2012 R2 Core on the 40GB HDD. Via command line, I will create a storage pool with automated tiered storage using the SSDs and the HDDs in mirrored mode the following way:
    With Tiered Storage, I create a storage pool containing the SSDs and the HDDs. Then I create storage space A (1TB) and B (3.2TB) with the SSDs in a mirrored setup and the HDDs in a mirrored setup. The SSDs for the „hot files“ and the HDDs for the „cold files“.
    Step2:
    Ontop of the storage space A I want to install the first Windows Server 2012 R2 instance with Active directory. On storage space B I want to install the second Windows Server 2012 R2 instance for a business application to run on it.
    Conclusion:
    The SSDs are mirrored and therefore one SSD can fail.
    The 4TB HDDs are mirrored and therefore one HDD can fail.
    I have a fast and easy scalable environment.
    But in the Internet I found many information that it’s not possible to install an operating system onto a storage tier.
    Question 1:
    Is this setup possible?
    Question 2:
    If this setup is possible, why is not everyone doing it?
    Question 3:
    Is it possible to do Step 1 over a GUI from a remote machine?
    Question 4:
    If the creation of Storage Tiers in the Hyper-V Server 2012 R2 is not possible. Would it work to use a Windows Server 2012 R2 as a parent system on the 40GB HDD? To do Step 1?
    I would gladly get some feedback of people knowing Storage Tiers well.
    Thanks a lot!

    I would absolutely prefer a GUI. But a Windows Server 2012 R2 Standard Licence allows you to run two VM machines.
    It also grants you a physical installation ("POSE" in the licensing documents). You can buy one copy of WS2012R2 Standard, install it on the hardware, enable Hyper-V, and then operate two virtual machines with WS2012R2 Standard ("VOSE"
    in the licensing documents). The only restriction is that the management operating system (POSE) can only run services and applications meant to manage the virtual machines and/or the management operating system. The Hyper-V Server license is the same way
    so it's not really any different.
    In short, given the benefits of the GUI at your stage of learning, you have no solid reason not to install the full system and take advantage of it. You can disable the GUI later once you get your footing. Or not. Whatever suits you. However, in response
    to your Question 3, you can do this all remotely. Once you get WS2012R2 installed in a guest, you can use it to manage the management operating system if you want. There are many options.
    But then I would also need to have redundancy on the 40GB HDD as if this HDD brakes, all others brake as well?
    Yes, you're going to want some redundancy for the management operating system. But, you've listed 5 drives in your original layout. You don't really have a 5-bay system, do you? Is there an empty sixth bay? Could you not get two 40 GB drives instead of one
    and use hardware RAID-1?
    Eric Siron
    Altaro Hyper-V Blog
    I am an independent blog contributor, not an Altaro employee. I am solely responsible for the content of my posts.

  • Application architecture in secure environment

    Hello,
    I am currently designing an enterprise application that will use a DBMS back-end. My environment has the DBMS and Web (Tomcat) servers sitting inside a very strict firewall, allowing only port 80 access. I need to know what is the best architecture to use for my application, given the several tiers and the firewall.
    Should I use a 3-tier, with the DBMS being 1 tier, the business logic in a servlet, helping circumvent the firewall, and the UI in an applet and/or HTML/JSP page?
    Thanks,
    haighaig

    You first have to have a look at the security policies
    so you can see what restrictions your company has.
    These policies and the requirements of the busines-
    case reflect the architecture you design. From a tech-
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