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标签归档:dul 11
oracle dul 11 正式发布
千呼万唤oracle dul 11终于发布了,迫不及待的下载来测试,现在版本号为dul 11.2.0.0.1,目前只发布了for linux,其他版本估计要等等.期待该版本有引进新功能
oracle dul 11发布
dul 11 测试恢复oracle 12c版本
[root@ora1221 dul11]# ./dul Data UnLoader: 11.2.0.0.1 - Internal Only - on Mon Jun 13 00:04:50 2016 with 64-bit io functions Copyright (c) 1994 2016 Bernard van Duijnen All rights reserved. Strictly Oracle Internal Use Only DUL: Warning: Recreating file "dul.log" Found db_id = 1414800805 Found db_name = ORCL DUL> bootstrap; Probing file = 1, block = 520 . unloading table BOOTSTRAP$ DUL: Warning: block number is non zero but marked deferred trying to process it anyhow 60 rows unloaded DUL: Warning: Dictionary cache DC_BOOTSTRAP is empty Reading BOOTSTRAP.dat 60 entries loaded Parsing Bootstrap$ contents DUL: Warning: Recreating file "dict.ddl" Generating dict.ddl for version 12 OBJ$: segobjno 18, file 1 block 240 TAB$: segobjno 2, tabno 1, file 1 block 144 COL$: segobjno 2, tabno 5, file 1 block 144 USER$: segobjno 10, tabno 1, file 1 block 208 Running generated file "@dict.ddl" to unload the dictionary tables . unloading table OBJ$ 72547 rows unloaded . unloading table TAB$ 2137 rows unloaded . unloading table COL$ 115645 rows unloaded . unloading table USER$ 129 rows unloaded Reading USER.dat 129 entries loaded Reading OBJ.dat DUL: FATAL Error: File OBJ.dat, line 22094: identifier too long
dul 11 恢复oracle 12c 报错分析
看报错OBJ.dat报错数据,从定义上判断是长度过长
[root@ora1221 dul11]# vi OBJ.dat 22091 "22435" "" "0" "JVMFCB" "" "9" "" 22092 "22436" "" "0" "JVMFCB" "" "11" "" 22093 "22437" "56417" "0" "JAVA$CBOBJ$" "" "2" "" ---- 22094 "22439" "" "0" "sun/util/xml/PlatformXmlPropertiesProvider$Resolver" "" "29" "" 22095 "22440" "" "0" "sun/util/xml/PlatformXmlPropertiesProvider$EH" "" "29" "" 22096 "22441" "" "0" "sun/util/xml/PlatformXmlPropertiesProvider$1" "" "29" "" 22097 "22442" "" "0" "sun/util/resources/LocaleNamesBundle" "" "29" ""
对象名长度分析
[oracle@ora1221 ~]$ ss SQL*Plus: Release 12.2.0.0.3 Production on Fri Aug 7 02:50:35 2015 Copyright (c) 1982, 2016, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.0.3 - 64bit Production SQL> select length(object_name) from dba_objects 2 where object_name='sun/util/xml/PlatformXmlPropertiesProvider$Resolver'; LENGTH(OBJECT_NAME) ------------------- 51 SQL> select max(length(object_name)) from dba_objects; MAX(LENGTH(OBJECT_NAME)) ------------------------ 123 SQL> desc dba_objects Name Null? Type ----------------------------------------- -------- ---------------------------- OWNER VARCHAR2(128) OBJECT_NAME VARCHAR2(128) SUBOBJECT_NAME VARCHAR2(128) OBJECT_ID NUMBER DATA_OBJECT_ID NUMBER OBJECT_TYPE VARCHAR2(23) CREATED DATE LAST_DDL_TIME DATE TIMESTAMP VARCHAR2(19) STATUS VARCHAR2(7) TEMPORARY VARCHAR2(1) GENERATED VARCHAR2(1) SECONDARY VARCHAR2(1) NAMESPACE NUMBER EDITION_NAME VARCHAR2(128) SHARING VARCHAR2(18) EDITIONABLE VARCHAR2(1) ORACLE_MAINTAINED VARCHAR2(1) APPLICATION VARCHAR2(1) DEFAULT_COLLATION VARCHAR2(100) DUPLICATED VARCHAR2(1) SHARDED VARCHAR2(1) CREATED_APPID NUMBER CREATED_VSNID NUMBER MODIFIED_APPID NUMBER MODIFIED_VSNID NUMBER
在oracle 12c中对象名长度已经变为128,但是dul依旧不能支持列长度,既然作者已经在init.dul的Compatible参数曾增加了对12c的支持,那对这样明显的bug应该在不久的将来即可修复。当然这个问题,可以通过一些人工技巧绕过去