# 背景
搭建DM到DM的数据同步，在进行start exec步骤时，提示
```
DMHS> start exec
CSL[ERROR]:加载日志分析模块失败
```

# 问题解决

### 步骤1 查看日志，看具体报错
```
[dmdba@localhost log]$ pwd
/dmhs/INST_HS/exec/log
[dmdba@localhost log]$ ll
总用量 712
-rw-r--r-- 1 dmdba dinstall   1916 6月  29 14:03 csl_202106.log
-rw-r--r-- 1 dmdba dinstall 722288 6月  29 14:03 dmhs_202106.log
[dmdba@localhost log]$ more dmhs_202106.log
...
MGR[ERROR]:库文件libcpt_dm8.so未找到错误
```
错误提示，库文件libcpt_dm8.so未找到

### 步骤2 在dmhs安装目录下查找libcpt_dm8.so
```
[dmdba@localhost ~]$ find /dmhs -name libcpt_dm8.so
/dmhs/bin/debug/libcpt_dm8.so
/dmhs/bin2/debug/libcpt_dm8.so
/dmhs/bin2/libcpt_dm8.so
/dmhs/INST_HS/exec/libcpt_dm8.so
/dmhs/INST_HS/cpt/libcpt_dm8.so
```
在bin目录下有此文件

### 步骤3 查看是否环境变量加载此文件
```
[dmdba@localhost ~]$ more ~/.bash_profile
...
export LD_LIBRARY_PATH=$DM_HOME/bin:/dmhs/bin:/lib64:/usr/lib64:/usr/local/lib64:/usr/X11R6/lib64/
export PATH
```
环境变量LD_LIBRARY_PATH也加载了目录

### 步骤4 ldd
```
[dmdba@localhost bin]$ ldd libcpt_dm8.so
        linux-vdso.so.1 =>  (0x00007ffdb35fe000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f97f3ae2000)
        libm.so.6 => /lib64/libm.so.6 (0x00007f97f37df000)
        librt.so.1 => /lib64/librt.so.1 (0x00007f97f35d7000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f97f33bb000)
        libdl.so.2 => /lib64/libdl.so.2 (0x00007f97f31b6000)
        libdmhs_pub.so => ./libdmhs_pub.so (0x00007f97f2e8a000)
        libdmhs_net.so => ./libdmhs_net.so (0x00007f97f2c2e000)
        libdmhs_ld_dm8.so => ./libdmhs_ld_dm8.so (0x00007f97f29d0000)
        libdmoci.so => not found
        /lib64/ld-linux-x86-64.so.2 (0x00005575bdd5e000)
        libdmhs_bool_parse.so => ./libdmhs_bool_parse.so (0x00007f97f1d50000)
        libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f97f1a48000)
        libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f97f1831000)
```
发现是缺少libdmoci.so这个依赖    
将此文件拷贝到dmhs的安装目录bin下即可

ITPub博客

dmhs过程中提示libcpt_dm8.so未找到错误

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