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Administration Guide 10-1
CHAPTER
10Proxying Requests to a
WebLogic Cluster
The following sections discuss how to proxy HTTP requests to a cluster of WebLogic
Servers:
n “Overview” on page 10-1
n “New Version of the HttpClusterServlet” on page 10-2
n “Setting Up the HttpClusterServlet” on page 10-2
n “Sample Deployment Descriptors” on page 10-4
n “Verifying Your Configuration” on page 10-13
Overview
The HttpClusterServlet provided with WebLogic Server proxies requests from a
WebLogic Server acting as an HTTP server to server instances in a WebLogic Server
cluster. The
HttpClusterServlet provides load balancing and failover for the
proxied HTTP requests. For additional information on servlets and clustering, see
Understanding HTTP Session State Replication at
http://e-docs.bea.com/wls/docs61/cluster/servlet.html.
To proxy requests to a single server instance rather than to a cluster, use the
HttpProxyServlet. For more information, see “Proxying Requests to Another HTTP
Server” on page 9-1.
- BEA WebLogic 1
- Copyright 2
- Restricted Rights Legend 2
- Trademarks or Service Marks 2
- Contents 3
- 3. Node Manager 4
- 7. Deploying Applications 6
- Plug-In (NSAPI) 9
- 14.Managing Security 10
- 16.Managing JDBC Connectivity 11
- 15.Managing Transactions 11
- 17.Managing JMS 13
- 19.Managing JNDI 14
- About This Document 21
- Audience 23
- How to Print the Document 23
- Contact Us! 24
- Documentation Conventions 24
- Administration Guide xxv 25
- Convention Usage 25
- 1 Overview of WebLogic 27
- Managed Servers 28
- /config 29
- Administration Console 30
- Administration Guide 1-7 33
- Creating a New Domain 34
- 2 Starting and Stopping 37
- Startup Messages 38
- Start Menu 40
- Windows Service 41
- Command Line 42
- Setting the Classpath Option 46
- A Server’s Root Directory 47
- Servers are Running 49
- Server Startup Process 51
- Run the Installation Script 68
- Administration Guide 2-35 71
- 2-36 Administration Guide 72
- 3 Node Manager 73
- Node Manager Logs 74
- Overview of Node Manager 75
- Setting Up Node Manager 76
- Protocol 77
- Setting Up the Environment 84
- Setting the Classpath 85
- Starting the Node Manager 85
- Classpath Option 87
- Managed Server 89
- 4 Configuring WebLogic 93
- 4-4 Administration Guide 96
- Config.XML file 98
- Server Configuration Tasks 101
- Cluster Configuration Tasks 102
- 4-12 Administration Guide 104
- 5 Monitoring a WebLogic 105
- Monitoring Servers 106
- 6 Using Log Messages to 109
- Overview of Logging Subsystem 111
- Local Server Log Files 112
- Client Logging 114
- Log File Format 114
- Message Attributes 115
- Message Catalog 116
- Message Severity 117
- Browsing Log Files 118
- Creating Domain Log Filters 119
- 6-12 Administration Guide 120
- 7 Deploying 121
- Deploy Applications 122
- 7 Deploying Applications 124
- Deployment Order 126
- Auto-Deployment 127
- Directory Format 129
- Applications 129
- 8 Configuring WebLogic 131
- Overview 132
- HTTP Parameters 132
- 8-4 Administration Guide 134
- Configuring the Listen Port 135
- Web Applications 135
- 400 error message 136
- Configuring Virtual Hosting 138
- Setting Up a Virtual Host 139
- Requests 141
- Setting Up HTTP Access Logs 144
- Common Log Format 146
- Creating the Fields Directive 148
- Supported Field identifiers 148
- method 152
- Tunneling 155
- (Windows Only) 157
- 8-28 Administration Guide 158
- 9 Proxying Requests to 159
- Proxy Servlet 162
- 9-6 Administration Guide 164
- 10Proxying Requests to a 165
- Sample Deployment Descriptors 169
- 10-6 Administration Guide 170
- 10-10 Administration Guide 174
- Parameter in WLS 174
- 6.1 SP02 and Later 174
- Usage Deprecated 174
- Equivalent 174
- 10-12 Administration Guide 176
- Verifying Your Configuration 177
- 11 Installing and 179
- Certifications 181
- .so) for use on Solaris 182
- Standard Apache 187
- Version 1.3.x 187
- Plug-In 188
- Editing the httpd.conf File 189
- Location block proxies all 190
- Plug-In and WebLogic Server 193
- Administration Guide 11-17 195
- Failover 196
- The Dynamic Server List 197
- 11-20 Administration Guide 198
- Sample Configuration Files 199
- 11-22 Administration Guide 200
- With a Single IP Address 201
- 11-24 Administration Guide 202
- 12 Installing and 203
- Information Server Plug-In 204
- Platform Support 205
- iisproxy.dll file 206
- DefaultFileName parameter to 208
- Creating ACLs through IIS 210
- Sample iisproxy.ini File 211
- Configuring SSL 212
- Testing the Installation 215
- 12-16 Administration Guide 218
- 13 Installing and 219
- Server Plug-In 220
- Enterprise Server Plug-In 221
- → Mime Types, and 222
- Modifying the obj.conf File 223
- 13-14 Administration Guide 232
- WebLogic Cluster) 234
- Administration Guide 13-17 235
- Cluster) 236
- Administration Guide 13-19 237
- 13-20 Administration Guide 238
- 14Managing Security 239
- 14 Managing Security 240
- Changing the System Password 241
- Specifying a Security Realm 243
- Configuring the Caching Realm 245
- Migrating Security Realms 276
- Defining Users 277
- Defining Groups 280
- Defining ACLs 281
- Configuring the SSL Protocol 284
- Using PKCS#7 Files 295
- 1 65537 211 297
- 1 max Integer.MAX_VALUE 600 297
- Protecting Passwords 298
- Installing an Audit Provider 301
- Party or User-Written Classes 305
- APP_PW, USER_AUTH, ACL, or 309
- MANDATORY_ACL 309
- SSL Certificate Validation 311
- Checking Certificate Chains 316
- 15Managing Transactions 319
- Configuring Transactions 320
- Transactions 322
- 15 Managing Transactions 324
- 16Managing JDBC 327
- About the JDBC API 328
- Related Information 329
- Sources, and MultiPools 330
- Connection Pools 331
- MultiPools 332
- Data Sources 332
- DataSources 333
- 16 Managing JDBC Connectivity 334
- Name Attribute Value 343
- JNDIName 343
- PoolName 343
- Non-XA Driver/Single Resource 347
- Only One Non-XA Participant 349
- JDBC Configuration 350
- Creating the JDBC Objects 351
- Assign the JDBC Objects 351
- Create a dynamic 355
- Connection Pool 355
- Programming WebLogic JDBC 355
- DISABLE_POOL 357
- ENABLE_POOL 357
- DESTROY_POOL 357
- Statement Cache 358
- 17Managing JMS 363
- Configuring JMS 364
- 17 Managing JMS 366
- Configuring JMS Servers 369
- Configuring Destinations 372
- Configuring JMS Templates 373
- Configuring Destination Keys 374
- Configuring Stores 374
- Configuring Session Pools 378
- Monitoring JMS 379
- Tuning JMS 380
- Persistent Stores 381
- Using Message Paging 381
- Programming Considerations 395
- 18Using the WebLogic 397
- 18-4 Administration Guide 400
- Adapter JNDI Name Description 400
- → Applications option 401
- 18-8 Administration Guide 404
- Attribute Description 404
- 18-10 Administration Guide 406
- Administration Guide 18-13 409
- 18-14 Administration Guide 410
- weblogic.jms.extensions 410
- → Advanced tab 415
- Release 6.1 or Later Domain 416
- WL60_HOME\lib\weblogic60.jar 417
- Provider 419
- 18-24 Administration Guide 420
- Managing a Messaging Bridge 421
- 19Managing JNDI 423
- Viewing the JNDI Tree 424
- Administration Guide 19-3 425
- 19 Managing JNDI 426
- 20Managing the 427
- Architecture 428
- .rar file or a directory 430
- Monitoring 432
- Deleting a Connector 432
- Descriptors 433
- 21Managing WebLogic 435
- Updating a License 436
- A Using the WebLogic 437
- AppletArchiver 438
- ClientDeployer 439
- A-4 Administration Guide 440
- Argument Description 440
- Administration Guide A-5 441
- Argument Definition 441
- A-6 Administration Guide 442
- Other Required Arguments 444
- Administration Guide A-9 445
- Option Definition 445
- Examples 446
- Administration Guide A-13 449
- MulticastTest 451
- A-16 Administration Guide 452
- Administration Guide A-17 453
- A-18 Administration Guide 454
- A-20 Administration Guide 456
- Administration Guide A-21 457
- A-22 Administration Guide 458
- Administration Guide A-23 459
- verboseToZip 460
- UNIX Example 460
- NT Example 460
- Administration Guide A-25 461
- Example of Windows NT Output 463
- A-28 Administration Guide 464
- B WebLogic Server 465
- Before You Begin 466
- Reference 470
- Administration Guide B-7 471
- Task Command Description 471
- B-8 Administration Guide 472
- CANCEL_SHUTDOWN 473
- Example 473
- LICENSES 476
- , javax 477
- Optional. Number of pings 479
- SERVERLOG 480
- SHUTDOWN 481
- STOREUSERCONFIG 482
- Administration Guide B-19 483
- and -userkeyfile key-file 485
- -userkeyfile key-file 485
- THREAD_DUMP 488
- B-28 Administration Guide 492
- CREATE_POOL 493
- B-30 Administration Guide 494
- Administration Guide B-31 495
- EXISTS_POOL 499
- RESET_POOL 500
- Mbean name 503
- Administration Guide B-41 505
- B-44 Administration Guide 508
- C WebLogic SNMP Agent 509
- SNMP Command-Line Interface 510
- snmpCommunity 511
- WebLogic Server Attributes 512
- Commands for Testing Traps 518
- C-60 Administration Guide 524
- D Parameters for Web 525
- Plug-Ins 526
- WebLogicCluster none 527
- WebLogicCluster 527
- /foo to include 528
- WLDNSRefreshInterval 528
- Administration Guide D-5 529
- Parameter Default Description 529
- Administration Guide D-7 531
- WLSocketTimeoutSecs 2 (must 532
- Administration Guide D-9 533
- D-10 Administration Guide 534
- Administration Guide D-11 535
- D-12 Administration Guide 536
- Administration Guide D-13 537
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