#ava

java中堆和栈的区别

1、数据类型堆:堆用于存储Java对象实例,包括类的实例变量和实例方法。栈:栈用于存储基本数据类型和对象引用。2、分配方式和管理堆:堆内存是在程序运行时动态分配的。Java的垃圾回收器自动管理堆内存,负责对象的分配和释放。对象在堆中分配,无需手动释放,垃圾回收器会自动识别并回收不再使用的对象。栈:栈内存是按照固定的大小...
开发笔记 ·2023-07-17

java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory 解决方法

1.解决java.lang.NoClassDefFoundError:org/slf4j/LoggerFactory添加依赖slf4j-api<dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api<...

ORA-16102: remote information is not available on the specified primary

文档解释ORA-16102:remoteinformationisnotavailableonthespecifiedprimaryCause:Thenewprimaryhasnotcompletedgeneratingthenecessaryinformationforthestandbytobeginconsumi...

ORA-12222: TNS:no support is available for the protocol indicated

文档解释ORA-12222:TNS:nosupportisavailablefortheprotocolindicatedCause:TheprotocolrequestedintheADDRESSportionoftheconnectdescriptoridentifiedthroughthenetservicena...
IT技术学习 ·2023-07-16

ORA-26519: no memory available to allocate

文档解释ORA-26519:nomemoryavailabletoallocateCause:TherewasnomemoryleftfortheRepAPIprocess.ThiserrormayoccurwhenRepAPIistryingtoallocateanewtablebufferarea.Action:S...

ORA-38754: FLASHBACK DATABASE not started; required redo log is not available

文档解释ORA-38754:FLASHBACKDATABASEnotstarted;requiredredologisnotavailableCause:AFLASHBACKDATABASEcommanddidnotstart.AredologneededfortherecoverypartofFLASHBACKDAT...

ORA-29526: created Java class string”string”

文档解释ORA-29526:createdJavaclassstring”string”Cause:Aninformationalmessage,notanerror.Action:NoneORA-29526:这常见的Oracle错误是一个语法错误,表明您正在使用中,给定的类名与Oracle不兼...

ORA-39128: unexpected DbmsJava error number from statement string

文档解释ORA-39128:unexpectedDbmsJavaerrornumberfromstatementstringCause:TheerrorwasreturnedfromacalltoaDbmsJavaprocedure.Action:Recordtheaccompanyingmessagesandrepo...

ORA-38877: required redo logs are available

文档解释ORA-38877:requiredredologsareavailableCause:TheFLASHBACKDATABASEcommandwasperformedintestmodeanddeterminedthatnoredologsrequiredtoperformthetestedFLASHBACKD...

ORA-29548: Java system class reported: string

文档解释ORA-29548:Javasystemclassreported:stringCause:AcommandthatusesaJavasystemclasswasabortedduetoanerrorreportedbytheJavasystemclass.Action:Correcttheerrorthatw...

ORA-29527: created Java source string”string”

文档解释ORA-29527:createdJavasourcestring”string”Cause:Aninformationalmessage,notanerror.Action:NoneORA-29527错误表明操作系统Java虚拟机或者应用程序提供的Java资源管理器出现了一些问题。最常...

ORA-31627: API call succeeded but more information is available

文档解释ORA-31627:APIcallsucceededbutmoreinformationisavailableCause:Theuserspecifiedjobparametersthatyieldedinformationalmessages.Action:CallDBMS_DATAPUMP.GET_STAT...

ORA-12522: TNS:listener could not find available instance with given INSTANCE_ROLE

文档解释ORA-12522:TNS:listenercouldnotfindavailableinstancewithgivenINSTANCE_ROLECause:Therearenotanyavailableandappropriatedatabaseinstancesregisteredwiththelisten...

ORA-16116: no work available

文档解释ORA-16116:noworkavailableCause:Theprocessisidlewaitingforadditionalchangestobemadeavailable.Action:Noactionnecessary,thisinformationalstatementisprovidedtor...
IT技术学习 ·2023-07-11

ORA-29557: Java system class string cannot be modified

文档解释ORA-29557:JavasystemclassstringcannotbemodifiedCause:AcommandwasattemptedthatwouldhavemodifiedaJavasystemclass.Action:Noactionrequired.ORA-29557:Javasystemc...
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