3469682 - In SAP BusinessObjects Business Intelligence Platform environment, Tomcat log size is excessively large and increasing rapidly

Tomcat log(stderr or catalina.out) shows below error:

INFO [http-nio-8080-exec-10] org.apache.coyote.http11.Http11Processor.service Error parsing HTTP request header
 Note: further occurrences of HTTP request parsing errors will be logged at DEBUG level.
    java.lang.IllegalArgumentException: Invalid character found in method name [0x160x030x010x060xc00x010x000x060xbc0x030x030x9f0xb80xf9Tl9VE0x830xe30xe80xfe0x910xc00xd2V0xaa0x86=0x1e0xaaSpm0xca0xdc0xd5/\0x040xd80xe6 ]. HTTP method names must be tokens
        at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:419)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:271)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:890)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1789)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
        at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:838)
com.sap.ip.bi.zen.boe.transport.proxy.client.impl.ZenPJSService_Client@3bc81876
com.sap.ip.bi.zen.boe.transport.proxy.client.impl.ZenPJSService_Client@680b2237
com.sap.ip.bi.zen.boe.transport.proxy.client.impl.ZenPJSService_Client@20d6071
com.sap.ip.bi.zen.boe.transport.proxy.client.impl.ZenPJSService_Client@19e8f55a
Query : SELECT SI_ID, SI_CUID, SI_UPDATE_TS, SI_NAME,SI_UISTATUS, SI_OWNER, SI_KIND, SI_FORMAT_NAME,SI_PROCESSINFO.SI_WEBI_PROMPTS, SI_PROCESSINFO.SI_FULLCLIENT_PROMPTS, SI_PROCESSINFO.SI_TYPE FROM CI_INFOOBJECTS WHERE SI_ID in(ID1,ID2,ID3,ID4,ID5....)
Final JSON ....................(A vast amount of content. )

• SAP BusinessObjects Business Intelligence Platform 4.2+
• SAP BusinessObjects Business Intelligence Platform 4.3+
• Windows
• Linux / Unix 

tomcat,debug,log,log level Patch catalina.out Unable to add the resource at to the cache for web application [/BOE] because there was insufficient free space available after evicting expired cache entries - consider increasing the maximum size of the cache , KBA , BI-BIP-DEP , Webapp Deployment, Networking, Vulnerabilities, Webservices , Problem